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

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

61°F

16°C

Humidity 39%
Wind Speed SW 7 mph
Barometer 29.68 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 7 Nov 5:15 pm CST
Extended Forecast for

Colusa IL

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after 10am. High near 49. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 90%.

    High: 49 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain and snow likely before 3am, then a slight chance of snow. Cloudy, then gradually becoming partly cloudy, with a low around 27. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: Sunny, with a high near 35. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Rain, mainly after 10am. High near 49. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Rain and snow likely before 3am, then a slight chance of snow. Cloudy, then gradually becoming partly cloudy, with a low around 27. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 35. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 25.
Veterans Day
Partly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Colusa IL
 40.56°N 91.15°W (Elev. 669 ft)
Last Update:
4:26 pm CST Nov 7, 2025
Forecast Valid:
5pm CST Nov 7, 2025-6pm CST Nov 14, 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