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.

Fair

41°F

5°C

Humidity 70%
Wind Speed SE 14 G 21 mph
Barometer 30.13 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 8 Apr 6:15 am CDT
Extended Forecast for

Colusa IL

  • Today

    Today: Mostly sunny, with a high near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Increasing clouds, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. Southwest wind around 5 mph becoming west in the morning. Chance of precipitation is 40%.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 51. East wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 61. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 77. Breezy.

    High: 77 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Increasing clouds, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. Southwest wind around 5 mph becoming west in the morning. Chance of precipitation is 40%.
Thursday Night
Showers and possibly a thunderstorm. Low around 51. East wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 61. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 77. Breezy.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63. Breezy.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 79. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely. Partly sunny, with a high near 71. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colusa IL
 40.56°N 91.15°W (Elev. 669 ft)
Last Update:
6:01 am CDT Apr 8, 2026
Forecast Valid:
6am CDT Apr 8, 2026-6pm CDT Apr 14, 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