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

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Overcast

39°F

4°C

Humidity 61%
Wind Speed E 15 mph
Barometer 30.42 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Apr 1:35 pm CDT
Extended Forecast for

Colusa IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 44. Southeast wind 10 to 15 mph.

    High: 44 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 41. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 52. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 50 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 44. Southeast wind 10 to 15 mph.
Tonight
A slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 41. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 52. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 70.
Thursday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 61.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 76. Breezy.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 81. Breezy.
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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:
1:26 pm CDT Apr 7, 2026
Forecast Valid:
1pm CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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