Will it rain in Nelson, AZ in the next 24 hours?

The hourly forecast shows a 58% chance of precipitation around 10/30/2026, 11:00 AM MST.

What is the 10-day forecast for Nelson, AZ?

The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 6 to Nov 7) come from the NOAA National Blend of Models, with highs of 71°F to 73°F. Model guidance this far out often changes.

What time is sunrise and sunset in Nelson, AZ today?

Sunrise is about 6:40 AM MST and sunset is about 5:37 PM MST (calculated for the center of the area, within a few minutes).

What is the normal October weather in Nelson, AZ?

At Tucson 17 NW, the 1991 to 2020 normal high in October is 87°F and the normal low is 57°F.

Checked Oct 29, 2026

Nelson, AZ Weather

Tonight: Partly Cloudy then Slight Chance Showers And Thunderstorms, low 59°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MST).

Nelson, AZ current weather

73°F

Mostly Clear

Forecast for this hour. No recent report from a nearby station.

H -- / L 59°

Flood Watch in effect
No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 11:42 AM PT

1 active alert

From the National Weather Service for this forecast zone or county

State alerts

Severe1Significant threat to life or property

Flood WatchTohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson and 6 moreUntil Mon 11/02/2026, 5:00 AM MST · NWS Tucson AZ

Hourly forecast

NWS, updated 10/29/2026, 11:42 AM PT

Now73°
8 PM70°
9 PM68°
10 PM66°
11 PM65°
12 AM64°Fri
1 AM63°
2 AM62°
3 AM61°
4 AM60°
5 AM60°20%
6 AM60°20%
7 AM60°20%
8 AM62°15%
9 AM67°15%
10 AM71°15%
11 AM74°58%
12 PM74°58%
1 PM76°58%
2 PM74°57%
3 PM74°57%
4 PM73°57%
5 PM69°63%
6 PM66°63%
7 PM65°63%
8 PM64°23%
9 PM63°23%
10 PM62°23%
11 PM62°15%
12 AM61°15%Sat
1 AM61°15%
2 AM61°15%
3 AM60°15%
4 AM60°15%
5 AM60°
6 AM59°
7 AM59°
8 AM61°
9 AM64°
10 AM69°
11 AM72°
12 PM75°
1 PM76°
2 PM77°
3 PM77°
4 PM76°
5 PM74°71%
6 PM72°71%

10-day forecast

Tap a day for details

Today10/2920% chance of precipitationLow 59°High
Tonight: A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 59. South southeast wind 1 to 6 mph. Chance of precipitation is 20%.
Partly Cloudy then Slight Chance Showers And Thunderstorms
Fri10/3063% chance of precipitationLow 58°High 76°
Friday: A slight chance of showers and thunderstorms before 11am, then showers and thunderstorms likely. Mostly cloudy. High near 76, with temperatures falling to around 69 in the afternoon. South wind 6 to 12 mph. Chance of precipitation is 60%.
Friday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers and thunderstorms between 11pm and 5am. Mostly cloudy, with a low around 58. East southeast wind around 6 mph. Chance of precipitation is 60%.
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Sat10/3189% chance of precipitationLow 60°High 77°
Saturday: Showers and thunderstorms likely after 5pm. Partly sunny, with a high near 77. South wind 2 to 6 mph. Chance of precipitation is 70%.
Saturday Night: Showers and thunderstorms. Cloudy, with a low around 60. South wind 2 to 8 mph. Chance of precipitation is 90%.
Partly Sunny then Showers And Thunderstorms Likely
Sun11/194% chance of precipitationLow 55°High 71°
Sunday: Rain showers before 8am, then showers and thunderstorms. Cloudy, with a high near 71. Chance of precipitation is 90%.
Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Showers And Thunderstorms
Mon11/221% chance of precipitationLow 49°High 69°
Monday: A slight chance of rain showers before 11am. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Monday Night: Partly cloudy, with a low around 49.
Slight Chance Rain Showers then Mostly Sunny
Tue11/3Low 49°High 72°
Tuesday: Sunny, with a high near 72.
Tuesday Night: Mostly clear, with a low around 49.
Sunny
Wed11/4Low 50°High 75°
Wednesday: Sunny, with a high near 75.
Wednesday Night: Mostly clear, with a low around 50.
Sunny
Thu11/5Low High 76°
Thursday: Sunny, with a high near 76.
Sunny
Model blend
Fri11/6Model blend29% chance of precipitationLow 51°High 73°
Friday: Partly cloudy, slight chance of rain. High near 73°. Low that night near 51°. About 0.04 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.
Sat11/7Model blend23% chance of precipitationLow 50°High 71°
Saturday: Mostly sunny, slight chance of rain. High near 71°. Low that night near 50°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 32.430, -111.265 from the NWS TWC office, updated 10/29/2026, 11:42 AM PT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KAVQ (Tucson/Marana Rgnl, 3 mi), model run 10/29/2026, 1:00 PM MST

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

Next 6 hours

NWS hourly forecast

Now73°Mostly Clear1%1 mph
8 PM70°Partly Cloudy2%1 mph
9 PM68°Partly Cloudy2%2 mph
10 PM66°Partly Cloudy2%2 mph
11 PM65°Partly Cloudy2%3 mph
12 AM64°Partly Cloudy2%3 mph

Hourly details

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

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

Will it rain in Nelson, AZ in the next 24 hours?: The hourly forecast shows a 58% chance of precipitation around 10/30/2026, 11:00 AM MST.
What is the 10-day forecast for Nelson, AZ?: The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 6 to Nov 7) come from the NOAA National Blend of Models, with highs of 71°F to 73°F. Model guidance this far out often changes.
What time is sunrise and sunset in Nelson, AZ today?: Sunrise is about 6:40 AM MST and sunset is about 5:37 PM MST (calculated for the center of the area, within a few minutes).
What is the normal October weather in Nelson, AZ?: At Tucson 17 NW, the 1991 to 2020 normal high in October is 87°F and the normal low is 57°F.

Nearby hazards

Arizona 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: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast tomorrow (Rillito): 29GoodPM10
AQI forecast tomorrow (Rillito): 25GoodPM10

UV index guide · Air quality

Drought

By county

Pima County, week of 10/27/2026

42% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise: 6:40 AM
Sunset: 5:37 PM
Daylight: 10 hr 57 min
Moon: Waning Gibbous 83% lit

First light (civil dawn): 6:14 AM
Last light (civil dusk): 6:02 PM
Moonrise: 8:27 PM
Moonset: 10:40 AM

Normal October weather

Climate

Normal October high 87°, low 57°, precipitation 0.71 in for the month. 1991 to 2020 normals at Tucson 17 NW, 13 mi away.

Other places nearby

Data sources

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

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About this data

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