Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

81°F

27°C

Humidity 66%
Wind Speed Vrbl 2 mph
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 16 Jun 10:55 am CDT
Extended Forecast for

2 Miles WSW Pontoosuc IL

  • Today

    Today: Partly sunny, with a high near 83. South wind around 5 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly after 1am.  Low around 69. South wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 79 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 83. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 69. South wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Tuesday Night
Showers and thunderstorms, mainly after 1am. Low around 69. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Partly cloudy, with a low around 64.
Juneteenth
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 75.
Sunday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Pontoosuc IL
 40.63°N 91.24°W (Elev. 518 ft)
11:02 am CDT Jun 16, 2025
11am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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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