High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

3°F

-16°C

Humidity 60%
Wind Speed NW 12 mph
Barometer 30.28 in
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 25 Jan 7:35 pm CST
Extended Forecast for

2 Miles S Pontoosuc IL

Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Mostly clear, with a low around -3. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 12. Wind chill values as low as -20. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 12 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a temperature rising to around 16 by 5am. Wind chill values as low as -5. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -3. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 12. Wind chill values as low as -20. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a temperature rising to around 16 by 5am. Wind chill values as low as -5. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 2.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Partly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Sunny, with a high near 16.
Friday Night
Mostly clear, with a low around 2.
Saturday
Sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 29.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Pontoosuc IL
 40.59°N 91.21°W (Elev. 682 ft)
7:26 pm CST Jan 25, 2026
7pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
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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