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

37°F

3°C

Humidity 87%
Wind Speed W 13 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 9 Jan 8:15 am CST
Extended Forecast for

Pontoosuc IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 45. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A chance of rain after 1am, mixing with snow after 3am. Increasing clouds, with a low around 32. North wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly cloudy, then gradually becoming sunny, with a high near 40. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 45. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of rain after 1am, mixing with snow after 3am. Increasing clouds, with a low around 32. North wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 30%.
Saturday
A 20 percent chance of rain after noon. Mostly cloudy, then gradually becoming sunny, with a high near 40. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pontoosuc IL
 40.63°N 91.21°W (Elev. 531 ft)
Last Update:
6:31 am CST Jan 9, 2026
Forecast Valid:
8am CST Jan 9, 2026-6pm CST Jan 15, 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