National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fog/Mist

50°F

10°C

Humidity 88%
Wind Speed S 9 mph
Barometer 30.07 in
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Wind Chill46°F (8°C)
Last update 20 Nov 10:55 am CST
Extended Forecast for

Hamilton IL

  • Today

    Today: Cloudy, with a high near 55. South wind around 5 mph becoming calm.

    High: 55 °F

    Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 46. Calm wind becoming northeast around 5 mph after midnight.

    Low: 46 °F

    Cloudy then
    Chance Rain

  • Friday

    Friday: Rain, mainly before 4pm. High near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 37. Northeast wind 5 to 10 mph.

    Low: 37 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
Cloudy, with a high near 55. South wind around 5 mph becoming calm.
Tonight
A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 46. Calm wind becoming northeast around 5 mph after midnight.
Friday
Rain, mainly before 4pm. High near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 37. Northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Monday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton IL
 40.39°N 91.39°W (Elev. 574 ft)
Last Update:
10:41 am CST Nov 20, 2025
Forecast Valid:
11am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation