What is the weather in Sun Prairie, WI right now?

The latest observation from Madison, Dane County Regional-Truax Field was 48°F and clear, reported at 10/26/2026, 10:10 PM CDT.

Will it rain in Sun Prairie, WI in the next 24 hours?

The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.

What is the 10-day forecast for Sun Prairie, WI?

The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 59°F to 61°F and up to a 61% chance of precipitation. Model guidance this far out often changes.

What time is sunrise and sunset in Sun Prairie, WI today?

Sunrise is about 7:24 AM CDT and sunset is about 5:57 PM CDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Sun Prairie, WI?

At Madison Dane RGNL AP, the 1991 to 2020 normal high in October is 60°F and the normal low is 40°F.

Checked Oct 26, 2026

Sun Prairie, WI Weather

Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Sun Prairie, WI current weather

48°F

Clear

H -- / L 42°Feels like 44°

No rain expected in the next 12 hours

Observed at Madison, Dane County Regional-Truax Field (5.9 mi away), 10/26/2026, 10:10 PM CDT

Hourly forecast

NWS, updated 8:36 PM

Now47°
11 PM46°
Tue12 AM45°
1 AM45°
2 AM45°
3 AM45°
4 AM44°
5 AM43°
6 AM45°
7 AM45°
8 AM45°
9 AM51°
10 AM55°
11 AM59°
12 PM62°
1 PM65°
2 PM67°
3 PM67°
4 PM69°
5 PM67°
6 PM66°
7 PM63°
8 PM60°
9 PM59°
10 PM59°
11 PM58°
Wed12 AM57°
1 AM56°
2 AM56°
3 AM55°
4 AM53°
5 AM54°
6 AM54°
7 AM54°
8 AM54°
9 AM57°
10 AM61°
11 AM65°
12 PM68°
1 PM71°
2 PM72°
3 PM73°
4 PM73°
5 PM71°
6 PM68°
7 PM66°13%
8 PM64°13%
9 PM62°13%

10-day forecast

Tap a day for details

Today10/26Low 42°High
Tonight: Mostly cloudy, with a low around 42. East wind 5 to 10 mph.
Mostly Cloudy
Tue10/27Low 52°High 69°
Tuesday: Mostly cloudy, with a high near 69. Southeast wind 5 to 10 mph.
Tuesday Night: Mostly cloudy, with a low around 52. South wind 5 to 10 mph.
Mostly Cloudy
Wed10/2843% chance of precipitationLow 55°High 73°
Wednesday: Mostly sunny, with a high near 73. South wind 5 to 10 mph.
Wednesday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55. South wind around 10 mph. Chance of precipitation is 40%.
Mostly Sunny
Thu10/2943% chance of precipitationLow 44°High 70°
Thursday: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 70. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night: Partly cloudy, with a low around 44. North wind 0 to 5 mph.
Chance Showers And Thunderstorms
Fri10/3059% chance of precipitationLow 50°High 67°
Friday: A chance of rain showers after 7am. Mostly sunny, with a high near 67. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Friday Night: Rain showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Chance Rain Showers
Sat10/3159% chance of precipitationLow 52°High 68°
Saturday: Rain showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Rain Showers Likely
Sun11/130% chance of precipitationLow 51°High 69°
Sunday: A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Chance Rain Showers
Mon11/246% chance of precipitationLow High 66°
Monday: A chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Chance Rain Showers
Model blend
Tue11/3Model blend61% chance of precipitationLow 42°High 61°
Tuesday: Rain likely. High near 61°. Low that night near 42°. About 0.62 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend38% chance of precipitationLow 39°High 59°
Wednesday: Chance of rain. High near 59°. Low that night near 39°. About 0.11 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 43.181, -89.241 from the NWS MKX office, updated 10/26/2026, 8:36 PM CDT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KMSN (Madison/Dane Cnty Rgnl, 6 mi), model run 10/26/2026, 9:00 PM CDT

Hazardous weather outlookIssued 10/26/2026, 2:12 PM CDT

This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin and southeast Wisconsin.

Day one: This Afternoon through Tonight

No hazardous weather is expected at this time.

Days two through seven: Tuesday through Monday

A few thunderstorms may occur later Wednesday night into early Thursday morning.

Spotter information statement

Spotter activation will not be needed.

Forecaster's discussionIssued 10/26/2026, 7:15 PM CDT

Key messages

- Temperatures gradually warm up by Wednesday and remain mild into the rest of the week and this weekend.

- Chances (30 to 60 percent) for showers later Wednesday night into early Thursday morning. A few thunderstorms may occur.

- More chances (30 to 50 percent) for showers Friday into Friday night, and at times this weekend (20 to 40 percent).

Update

Issued 715 PM CDT Mon Oct 26 2026

Sprinkles remain possible across the western and northern portions of the forecast area this evening as upper level PVA moves through the state. The PVA will be the main driver of any lingering and diminished showers in southern Wisconsin. While the better lift, mid level frontogenesis and moisture remain to the north in Minnesota and central and northern Wisconsin. Any sprinkles/drizzle that moves in is expected to be short lived and light. Chances while low around 10% or less will remain through the overnight hours into Tuesday.

Patterson

Short term

Issued 215 PM CDT Mon Oct 26 2026

Tonight through Tuesday night:

Some showers in far northern parts of the area will shift northeast over the next few hours, with additional sprinkles possible over mainly northern portions of the area through later this afternoon. This is being helped along by some modest 850 mb frontogenesis response and some weak 500 mb vorticity maxima shifting through the region. Forecast soundings are showing enough moisture for some brief sprinkles or showers in these areas.

The main area of warm air advection and warm frontal precipitation should remain northwest of the area tonight into Tuesday, as modest warm air advection develops over the area. This warm air advection and an approaching 500 mb shortwave trough could support some sprinkles Tuesday into Tuesday night, if enough low level moisture develops. For now, left the forecast dry as there may not be enough moisture to support this.

Middle to high clouds should linger across the region into Tuesday, with some peaks of sun at times on Tuesday. Gusty northeast winds into tonight should veer east later tonight and southeast on Tuesday. Lows in the 40s are expected tonight, with highs into the upper 60s inland on Tuesday, with onshore winds keeping upper 50s to lower 60s closer to Lake Michigan. Milder lows in the lower 50s are anticipated Tuesday night.

Wood

Long term

Issued 215 PM CDT Mon Oct 26 2026

Wednesday through Monday:

South winds into Wednesday will continue to bring warmer temperatures into the area, with highs rising into the lower to perhaps middle 70s. It may be a little cooler near the lake if winds turn southeast in the afternoon. More sunshine should occur as the area gets more into the warm sector.

Models continue to show the cold front slowly shifting southeast across the area Wednesday night into Thursday morning, shifting out of the area during the afternoon. This feature should help bring a period of showers (30 to 60 percent chances) to the area, mainly later Wednesday night into early Thursday morning. A few thunderstorms may occur as well, with very weak elevated CAPE. Rainfall amounts should be fairly light. Highs should still get into the upper 60s to lower 70s Thursday as the front moves through, then cools down into the 40s Thursday night with high pressure moving through the region.

500 mb cluster analysis then shows an anomalous ridge axis gradually building across the Great Lakes region over the weekend into early next week. This should continue to favor milder temperatures during this period, which are supported by ensemble members. There should be chances (30 to 50 percent) for showers at times Friday into Friday night, and 20 to 40 percent chances over the weekend, as low pressure passes by to the south of the area. Ensemble members are showing a trend for a wetter period this weekend, though there may be breaks at times.

Wood

Aviation

Issued 715 PM CDT Mon Oct 26 2026

VFR conditions are expected to persist through the period. Mid to high level clouds will continue to move through southern Wisconsin from east to west. Isolated drizzle/sprinkles will be possible at times across portions of southwestern and south central Wisconsin through Tuesday.

Breezy northeast to east winds this evening will diminish over the next couple of hours. Lighter east winds will turn to southeasterly by Tuesday afternoon and become breezy again. Heading into Tuesday night winds will weaken again and turn to southerly.

Patterson

Marine

Issued 215 PM CDT Mon Oct 26 2026

High pressure around 30.5 inches tracking from Manitoba to the northern Great Lakes region tonight will support modest to breezy northeast to east winds. Look for winds to become southeast on Tuesday, as low pressure around 30.0 inches tracks from southwest Minnesota to the Lake Superior region.

Modest south winds are expected for Tuesday night into Wednesday, as the next low pressure system around 29.9 inches takes a similar path across the Midwest. A cold front will move across the lake Wednesday night into Thursday, with winds shifting to the northwest and north behind it Thursday night into Friday.

A Small Craft Advisory is in effect into early Tuesday afternoon south of North Point Lighthouse, and north of there until later Tuesday evening. Gusty northeast to east winds tonight will bring building waves. Winds will become southeast on Tuesday, with waves remaining elevated.

Wood

Watches, warnings and advisories

WI: None. LM: Small Craft Advisory: LMZ643-LMZ644 until 10 PM Tuesday.

Small Craft Advisory: LMZ645-LMZ646 until 1 PM Tuesday.

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

Now47°Mostly Cloudy3%10 mph
11 PM46°Mostly Cloudy2%10 mph
12 AM45°Mostly Cloudy2%10 mph
1 AM45°Mostly Cloudy2%5 mph
2 AM45°Mostly Cloudy2%5 mph
3 AM45°Mostly Cloudy3%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Line: temperature °F. Bars: chance of precipitation.

MonNow47°Feels 43°3% Sky 74%10g17
11 PM46°Feels 42°2% Sky 80%10g17
Tue 10/2712 AM45°Feels 41°2% Sky 77%10g16
1 AM45°Feels 41°2% Sky 75%5g16
2 AM45°Feels 41°2% Sky 76%5g16
3 AM45°Feels 41°3% Sky 79%5g16
4 AM44°Feels 40°3% Sky 80%5g16
5 AM43°Feels 39°4% Sky 82%5g16
6 AM45°Feels 41°5% Sky 82%5g16
7 AM45°Feels 41°6% Sky 82%5g16
8 AM45°Feels 41°5% Sky 81%10g16
9 AM51° 5% Sky 81%10g17
10 AM55° 4% Sky 81%10g17
11 AM59° 4% Sky 80%10g17
12 PM62° 4% Sky 80%10g16
1 PM65° 4% Sky 79%10g16
2 PM67° 4% Sky 80%10g16
3 PM67° 3% Sky 78%10g16
4 PM69° 3% Sky 78%10g16
5 PM67° 2% Sky 78%10g15
6 PM66° 2% Sky 74%10g15
7 PM63° 1% Sky 71%5g14
8 PM60° 1% Sky 69%5g14
9 PM59° 0% Sky 69%5g15
10 PM59° 0% Sky 69%5g15
11 PM58° 0% Sky 66%5g15
Wed 10/2812 AM57° 0% Sky 62%5g14
1 AM56° 0% Sky 59%5g14
2 AM56° 0% Sky 58%5g14
3 AM55° 0% Sky 58%5g13
4 AM53° 0% Sky 58%5g13
5 AM54° 0% Sky 54%5g13
6 AM54° 1% Sky 49%5g12
7 AM54° 1% Sky 44%5g12
8 AM54° 1% Sky 41%5g12
9 AM57° 1% Sky 38%5g12
10 AM61° 1% Sky 37%5g13
11 AM65° 1% Sky 34%10
12 PM68° 1% Sky 30%10g15
1 PM71° 0% Sky 26%10g16
2 PM72° 0% Sky 22%10g17
3 PM73° 0% Sky 22%10g17
4 PM73° 0% Sky 21%10g17
5 PM71° 0% Sky 20%10g17
6 PM68° 0% Sky 19%10g16
7 PM66° 13% Sky 20%10g16
8 PM64° 13% Sky 21%10g17
9 PM62° 13% Sky 23%10g20
10 PM61° 13% Sky 24%10g21
11 PM60° 13% Sky 36%10g21
Thu 10/2912 AM60° 13% Sky 47%10g20
1 AM60° 43% Sky 59%10g20
2 AM60° 43% Sky 64%10g20
3 AM59° 43% Sky 68%10g21
4 AM58° 43% Sky 73%10g21
5 AM57° 43% Sky 70%10g21
6 AM56° 43% Sky 67%10g20
7 AM56° 27% Sky 64%10g18
8 AM58° 27% Sky 65%10g17
9 AM60° 27% Sky 66%10g17
10 AM62° 27% Sky 67%10g16
11 AM64° 27% Sky 67%10g16
12 PM67° 27% Sky 66%10g15
1 PM68° 13% Sky 66%10g15
2 PM70° 13% Sky 56%10g15
3 PM70° 13% Sky 47%10g15
4 PM70° 13% Sky 38%10
5 PM68° 13% Sky 34%5g13
6 PM66° 13% Sky 30%5g10
7 PM63° 1% Sky 27%5
8 PM60° 1% Sky 27%0g8
9 PM57° 1% Sky 27%0g7
10 PM54° 1% Sky 27%0g7
11 PM52° 1% Sky 27%0g7
Fri 10/3012 AM51° 1% Sky 27%0g6
1 AM50° 7% Sky 20%0g6
2 AM48° 7% Sky 20%0g6
3 AM47° 7% Sky 20%0g7
4 AM46° 7% Sky 20%0g7
5 AM45° 7% Sky 20%0g7
6 AM45° 7% Sky 20%0g7
7 AM46° 19% Sky 51%0g7
8 AM49° 19% Sky 51%5
9 AM52° 19% Sky 51%5
10 AM56° 19% Sky 51%5g10
11 AM59° 19% Sky 51%5g12
12 PM62° 19% Sky 51%5g12
1 PM64° 38% Sky 64%5g12
2 PM66° 38% Sky 64%5g12
3 PM66° 38% Sky 64%5g12
4 PM66° 38% Sky 64%5g12
5 PM65° 38% Sky 64%5g12
6 PM63° 38% Sky 64%5g10
7 PM61° 57%0.01"Sky 71%5g10
8 PM59° 57%0.01"Sky 71%5g10
9 PM57° 57%0.01"Sky 71%5g12
10 PM56° 57%0.01"Sky 71%5g12
11 PM55° 57%0.01"Sky 71%5g10
Sat 10/3112 AM55° 57%0.01"Sky 71%0g10
1 AM54° 59%0.02"Sky 72%0g9
2 AM53° 59%0.02"Sky 72%0g9
3 AM53° 59%0.02"Sky 72%5g10
4 AM52° 59%0.02"Sky 72%5g10
5 AM51° 59%0.02"Sky 72%5g10
6 AM51° 59%0.02"Sky 72%5g10
7 AM52° 41%0.01"Sky 76%5g10
8 AM54° 41%0.01"Sky 76%5g10
9 AM56° 41%0.01"Sky 76%5g12
10 AM59° 41%0.01"Sky 76%5g12
11 AM62° 41%0.01"Sky 76%5g12
12 PM64° 41%0.01"Sky 76%5g13
1 PM66° 34%0.01"Sky 81%5g13
2 PM67° 34%0.01"Sky 81%5g13
3 PM68° 34%0.01"Sky 81%5g13
4 PM68° 34%0.01"Sky 81%5g13
5 PM67° 34%0.01"Sky 81%5g13
6 PM64° 34%0.01"Sky 81%5g12
7 PM62° 32% Sky 82%5g12
8 PM60° 32% Sky 82%5g12
9 PM59° 32% Sky 82%5g10
10 PM58° 32% Sky 82%5g10
11 PM57° 32% Sky 82%5g10
Sun 11/112 AM57° 32% Sky 82%0g9
1 AM56° 37% Sky 68%0g9
1 AM55° 37% Sky 68%0g9
2 AM55° 37% Sky 68%0g9
3 AM54° 37% Sky 68%0g9
4 AM53° 37% Sky 68%0g9
5 AM53° 37% Sky 68%0g8
6 AM53° 30% Sky 79%0g8
7 AM55° 30% Sky 79%5
8 AM57° 30% Sky 79%5
9 AM60° 30% Sky 79%5g10
10 AM62° 30% Sky 79%5g10
11 AM64° 30% Sky 79%5g10
12 PM66° 20% Sky 69%5g10
1 PM67° 20% Sky 69%5g10
2 PM68° 20% Sky 69%5g12
3 PM68° 20% Sky 69%5g12
4 PM67° 20% Sky 69%5g12
5 PM65° 20% Sky 69%5g10
6 PM63° 16% Sky 68%5g10
7 PM61° 16% Sky 68%0g10
8 PM59° 16% Sky 68%0g9
9 PM58° 16% Sky 68%0g9
10 PM57° 16% Sky 68%0g9
11 PM57° 16% Sky 68%5g10
Mon 11/212 AM56° 22% Sky 67%5g10
1 AM55° 22% Sky 67%5g10
2 AM54° 22% Sky 67%5g12
3 AM53° 22% Sky 67%5g12
4 AM52° 22% Sky 67%5g12
5 AM52° 22% Sky 67%5g13
6 AM53° 43%0.03"Sky 82%5g13
7 AM55° 43%0.03"Sky 82%5g14
8 AM57° 43%0.03"Sky 82%5g14

Temperature °F · chance of precipitation · amount in inches (T = trace) · sky cover · wind and gusts (g) in mph

NWS hourly forecast updated 10/26/2026, 8:36 PM CDT

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid): 0.01 in
Snow: 0.00 in
Ice: 0.00 in

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

Wisconsin hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
River gauges within 40 miles at or above flood stage: None reported
Active wildfires within 50 miles: Lehman Rd Fire (2 acres), Tent Pole Fire (0 acres), HWY 113 Fire (0 acres), WIBU 2 Fire (0 acres), North Shore Dr Fire (0 acres)

UV and air quality forecast

EPA and AirNow

UV index today (Sun Prairie): 2Low

UV index guide · Air quality

Drought

By county

Dane County, week of 10/20/2026

No drought or abnormal dryness in this county.

Frequently asked questions

What is the weather in Sun Prairie, WI right now?: The latest observation from Madison, Dane County Regional-Truax Field was 48°F and clear, reported at 10/26/2026, 10:10 PM CDT.
Will it rain in Sun Prairie, WI in the next 24 hours?: The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Sun Prairie, WI?: The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 59°F to 61°F and up to a 61% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Sun Prairie, WI today?: Sunrise is about 7:24 AM CDT and sunset is about 5:57 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sun Prairie, WI?: At Madison Dane RGNL AP, the 1991 to 2020 normal high in October is 60°F and the normal low is 40°F.

Sun and moon

Local time, center of the area

Sunrise: 7:24 AM
Sunset: 5:57 PM
Daylight: 10 hr 32 min
Moon: Full Moon 99% lit

First light (civil dawn): 6:55 AM
Last light (civil dusk): 6:26 PM
Moonrise: 5:48 PM
Moonset: 8:04 AM

Normal October weather

Climate

Normal October high 60°, low 40°, precipitation 2.77 in for the month. 1991 to 2020 normals at Madison Dane RGNL AP, 6 mi away.

Other places nearby

Data sources

National Weather Service APINOAA
National Blend of Models (NBM) text guidanceNOAA National Weather Service
Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
National Water Prediction ServiceNOAA National Weather Service
WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
AirNowU.S. Environmental Protection Agency
NWS HeatRisk (experimental)NOAA National Weather Service
U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research

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