Will it rain in Arnold, MO 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 Arnold, MO?

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 65°F to 69°F and up to a 42% chance of precipitation. Model guidance this far out often changes.

What time is sunrise and sunset in Arnold, MO today?

Sunrise is about 7:21 AM CDT and sunset is about 6:08 PM CDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Arnold, MO?

At Festus, the 1991 to 2020 normal high in October is 70°F and the normal low is 46°F.

Checked Oct 26, 2026

Arnold, MO Weather

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

Arnold, MO current weather

55°F

Partly Cloudy

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

H -- / L 50°

Wildfire smoke overhead: light
No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/26/2026, 10:26 PM CDT

Hourly forecast

NWS, updated 10:26 PM

Now55°
Tue12 AM55°
1 AM54°
2 AM53°
3 AM52°
4 AM51°
5 AM51°
6 AM51°
7 AM50°
8 AM51°
9 AM56°
10 AM63°
11 AM67°
12 PM72°
1 PM73°
2 PM73°
3 PM75°
4 PM73°
5 PM73°
6 PM71°
7 PM65°
8 PM62°
9 PM60°
10 PM59°
11 PM58°
Wed12 AM57°
1 AM56°
2 AM55°
3 AM54°
4 AM54°
5 AM53°
6 AM53°
7 AM52°
8 AM53°
9 AM58°
10 AM65°
11 AM71°
12 PM74°
1 PM78°
2 PM78°
3 PM79°
4 PM79°
5 PM77°
6 PM74°
7 PM70°
8 PM67°
9 PM64°
10 PM62°

10-day forecast

Tap a day for details

Today10/26Low 50°High
Tonight: Mostly cloudy, with a low around 50. South wind around 2 mph.
Mostly Cloudy
Tue10/27Low 52°High 75°
Tuesday: Mostly cloudy, with a high near 75. South wind 2 to 6 mph.
Tuesday Night: Partly cloudy, with a low around 52. South wind around 3 mph.
Mostly Cloudy
Wed10/28Low 54°High 81°
Wednesday: Sunny. High near 81, with temperatures falling to around 77 in the afternoon. South wind 2 to 7 mph.
Wednesday Night: Mostly clear, with a low around 54. South wind around 6 mph.
Sunny
Thu10/29Low 55°High 84°
Thursday: Sunny, with a high near 84.
Thursday Night: Partly cloudy, with a low around 55.
Sunny
Fri10/30Low 57°High 81°
Friday: Partly sunny, with a high near 81.
Friday Night: Mostly cloudy, with a low around 57.
Partly Sunny
Sat10/3139% chance of precipitationLow 57°High 76°
Saturday: A chance of rain showers after 7am. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Chance Rain Showers
Sun11/131% chance of precipitationLow 58°High 77°
Sunday: A slight chance of rain showers before noon. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Sunday Night: A chance of rain showers after midnight. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Slight Chance Rain Showers then Partly Sunny
Mon11/246% chance of precipitationLow High 76°
Monday: A chance of rain showers. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Chance Rain Showers
Model blend
Tue11/3Model blend42% chance of precipitationLow 44°High 69°
Tuesday: Chance of rain. High near 69°. Low that night near 44°. About 0.88 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 blend20% chance of precipitationLow 40°High 65°
Wednesday: Partly cloudy, slight chance of rain. High near 65°. Low that night near 40°. About 0.02 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 38.422, -90.376 from the NWS LSX office, updated 10/26/2026, 10:26 PM CDT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KCPS (St Louis/Downtown Arpt, 16 mi), model run 10/26/2026, 9:00 PM CDT

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

Next 6 hours

NWS hourly forecast

Now55°Partly Cloudy0%2 mph
12 AM55°Mostly Cloudy0%2 mph
1 AM54°Mostly Cloudy0%2 mph
2 AM53°Mostly Cloudy0%2 mph
3 AM52°Mostly Cloudy0%2 mph
4 AM51°Mostly Cloudy0%2 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.

MonNow55° 0% Sky 44%2
Tue 10/2712 AM55° 0% Sky 52%2
1 AM54° 0% Sky 56%2
2 AM53° 0% Sky 60%2
3 AM52° 0% Sky 69%2
4 AM51° 0% Sky 79%2
5 AM51° 0% Sky 83%2
6 AM51° 0% Sky 67%2
7 AM50° 0% Sky 76%2
8 AM51° 0% Sky 69%2
9 AM56° 0% Sky 60%3
10 AM63° 0% Sky 72%3
11 AM67° 0% Sky 72%3g8
12 PM72° 0% Sky 82%5
1 PM73° 0% Sky 85%6g12
2 PM73° 0% Sky 88%6g12
3 PM75° 0% Sky 90%6g12
4 PM73° 0% Sky 76%6
5 PM73° 0% Sky 75%5
6 PM71° 0% Sky 52%3g8
7 PM65° 3% Sky 59%3
8 PM62° 4% Sky 43%3
9 PM60° 4% Sky 26%3
10 PM59° 4% Sky 40%3
11 PM58° 3% Sky 40%3
Wed 10/2812 AM57° 2% Sky 48%2
1 AM56° 2% Sky 46%2
2 AM55° 2% Sky 29%2
3 AM54° 2% Sky 30%2
4 AM54° 3% Sky 20%2
5 AM53° 3% Sky 28%2
6 AM53° 3% Sky 30%2
7 AM52° 0% Sky 31%2
8 AM53° 0% Sky 16%2
9 AM58° 0% Sky 18%3
10 AM65° 0% Sky 18%3g8
11 AM71° 0% Sky 10%5
12 PM74° 0% Sky 12%5g10
1 PM78° 0% Sky 3%6g12
2 PM78° 0% Sky 19%7g12
3 PM79° 0% Sky 17%7g12
4 PM79° 0% Sky 14%7g12
5 PM77° 0% Sky 12%6g12
6 PM74° 0% Sky 10%6
7 PM70° 0% Sky 8%5g10
8 PM67° 0% Sky 7%5g10
9 PM64° 0% Sky 6%5
10 PM62° 0% Sky 5%5
11 PM60° 0% Sky 4%5
Thu 10/2912 AM59° 0% Sky 3%3g8
1 AM58° 0% Sky 2%3g8
2 AM57° 0% Sky 3%3g8
3 AM56° 0% Sky 5%5
4 AM56° 0% Sky 6%5
5 AM55° 0% Sky 6%5
6 AM54° 0% Sky 6%5
7 AM55° 3% Sky 6%5
8 AM58° 3% Sky 7%5
9 AM63° 3% Sky 7%6
10 AM68° 3% Sky 8%6
11 AM73° 3% Sky 15%6
12 PM77° 3% Sky 23%6g12
1 PM81° 0% Sky 30%6g12
2 PM83° 0% Sky 28%6g12
3 PM84° 0% Sky 27%5g12
4 PM83° 0% Sky 25%5g10
5 PM81° 0% Sky 28%5
6 PM78° 0% Sky 30%5
7 PM74° 0% Sky 32%5
8 PM70° 0% Sky 32%5
9 PM67° 0% Sky 32%3
10 PM64° 0% Sky 32%3
11 PM62° 0% Sky 32%3
Fri 10/3012 AM62° 0% Sky 32%2
1 AM61° 0% Sky 52%2
2 AM60° 0% Sky 52%2
3 AM59° 0% Sky 52%1
4 AM58° 0% Sky 52%1
5 AM56° 0% Sky 52%1
6 AM56° 0% Sky 52%1
7 AM56° 3% Sky 64%1
8 AM59° 3% Sky 64%1
9 AM63° 3% Sky 64%2
10 AM68° 3% Sky 64%2
11 AM72° 3% Sky 64%3
12 PM76° 3% Sky 64%3g8
1 PM79° 2% Sky 66%5
2 PM81° 2% Sky 66%5
3 PM81° 2% Sky 66%5
4 PM80° 2% Sky 66%5
5 PM78° 2% Sky 66%5
6 PM76° 2% Sky 66%5
7 PM73° 3% Sky 74%5
8 PM70° 3% Sky 74%3
9 PM67° 3% Sky 74%3
10 PM64° 3% Sky 74%2
11 PM62° 3% Sky 74%2
Sat 10/3112 AM62° 3% Sky 74%1
1 AM61° 7% Sky 77%1
2 AM60° 7% Sky 77%1
3 AM60° 7% Sky 77%1
4 AM59° 7% Sky 77%1
5 AM58° 7% Sky 77%1
6 AM57° 7% Sky 77%1
7 AM57° 18% Sky 83%1
8 AM59° 18% Sky 83%1
9 AM62° 18% Sky 83%2
10 AM66° 18% Sky 83%2
11 AM69° 18% Sky 83%3
12 PM72° 18% Sky 83%3g8
1 PM74° 34%0.01"Sky 76%5
2 PM75° 34%0.01"Sky 76%5
3 PM76° 34%0.01"Sky 76%5
4 PM75° 34%0.01"Sky 76%5
5 PM74° 34%0.01"Sky 76%5
6 PM71° 34%0.01"Sky 76%3g9
7 PM69° 37%0.01"Sky 79%3g8
8 PM66° 37%0.01"Sky 79%3
9 PM64° 37%0.01"Sky 79%2
10 PM62° 37%0.01"Sky 79%2
11 PM61° 37%0.01"Sky 79%2
Sun 11/112 AM60° 37%0.01"Sky 79%2
1 AM60° 39%0.03"Sky 76%2
1 AM60° 39%0.03"Sky 76%2
2 AM59° 39%0.03"Sky 76%1
3 AM59° 39%0.03"Sky 76%1
4 AM58° 39%0.03"Sky 76%1
5 AM58° 39%0.03"Sky 76%1
6 AM58° 19% Sky 71%1
7 AM60° 19% Sky 71%2
8 AM64° 19% Sky 71%2
9 AM67° 19% Sky 71%3
10 AM70° 19% Sky 71%3
11 AM72° 19% Sky 71%5
12 PM74° 14% Sky 65%5
1 PM75° 14% Sky 65%5
2 PM76° 14% Sky 65%5
3 PM76° 14% Sky 65%5
4 PM75° 14% Sky 65%3g8
5 PM73° 14% Sky 65%3
6 PM70° 10% Sky 70%2
7 PM67° 10% Sky 70%2
8 PM65° 10% Sky 70%2
9 PM63° 10% Sky 70%2
10 PM62° 10% Sky 70%2
11 PM61° 10% Sky 70%2
Mon 11/212 AM61° 31%0.02"Sky 75%2
1 AM60° 31%0.02"Sky 75%2
2 AM60° 31%0.02"Sky 75%2
3 AM59° 31%0.02"Sky 75%2
4 AM58° 31%0.02"Sky 75%2
5 AM58° 31%0.02"Sky 75%3
6 AM59° 42%0.02"Sky 73%3
7 AM61° 42%0.02"Sky 73%5
8 AM64° 42%0.02"Sky 73%5
9 AM67° 42%0.02"Sky 73%6

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, 10:26 PM CDT

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

Missouri 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

Drought

By county

Jefferson County, week of 10/20/2026

15% of the county is in moderate drought or worse.

Frequently asked questions

Will it rain in Arnold, MO 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 Arnold, MO?: 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 65°F to 69°F and up to a 42% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Arnold, MO today?: Sunrise is about 7:21 AM CDT and sunset is about 6:08 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Arnold, MO?: At Festus, the 1991 to 2020 normal high in October is 70°F and the normal low is 46°F.

Sun and moon

Local time, center of the area

Sunrise: 7:21 AM
Sunset: 6:08 PM
Daylight: 10 hr 47 min
Moon: Waning Gibbous 99% lit

First light (civil dawn): 6:54 AM
Last light (civil dusk): 6:36 PM
Moonrise: 6:05 PM
Moonset: 7:57 AM

Normal October weather

Climate

Normal October high 70°, low 46°, precipitation 2.83 in for the month. 1991 to 2020 normals at Festus, 13 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
Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations
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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About this data

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