Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Mostly Cloudy

27°F

-3°C

Humidity 43%
Wind Speed SE 8 mph
Barometer 30.26 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 20 Jan 12:55 pm CST
Extended Forecast for

2 Miles ENE Carthage IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 32. South wind around 10 mph.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of flurries with a slight chance of snow before 4am, then a chance of flurries between 4am and 5am.  Cloudy, with a steady temperature around 29. Southeast wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    Low: 29 °F

    Cloudy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 37. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -3.

    Low: -3 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 3.

    High: 3 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 9.

    High: 9 °F

    Cold

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. South wind around 10 mph.
Tonight
A chance of flurries with a slight chance of snow before 4am, then a chance of flurries between 4am and 5am. Cloudy, with a steady temperature around 29. Southeast wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 37. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 17. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around -3.
Friday
Partly sunny and cold, with a high near 3.
Friday Night
Mostly cloudy, with a low around -5.
Saturday
Mostly cloudy and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Mostly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Carthage IL
 40.43°N 91.1°W (Elev. 676 ft)
1:16 pm CST Jan 20, 2026
1pm CST Jan 20, 2026-6pm CST Jan 26, 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