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

57°F

14°C

Humidity 41%
Wind Speed SE 15 mph
Barometer 29.77 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 6 Nov 7:55 pm CST
Extended Forecast for

Pontoosuc IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 51. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 64. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 41. Northwest wind 5 to 10 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after noon. High near 51. Northwest wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Chance of precipitation is 80%.

    High: 51 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 31. Blustery.

    Low: 31 °F

    Chance Rain
    then Partly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °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 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 51. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
Sunny, with a high near 64. West wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 41. Northwest wind 5 to 10 mph.
Saturday
Rain, mainly after noon. High near 51. Northwest wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 31. Blustery.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 29.
Veterans Day
Partly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 56.
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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:
7:56 pm CST Nov 6, 2025
Forecast Valid:
8pm CST Nov 6, 2025-6pm CST Nov 13, 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