National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

25°F

-4°C

Humidity 80%
Wind Speed N 2 mph
Barometer 29.99 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 2 Jan 5:55 pm CST
Extended Forecast for

2 Miles ENE Carthage IL

  • Tonight

    Tonight: Cloudy, with a steady temperature around 27. Northeast wind around 5 mph.

    Low: 27 °F

    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. North wind around 5 mph becoming northwest in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a steady temperature around 27. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 33. North wind around 5 mph becoming northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 36. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 30.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Carthage IL
 40.43°N 91.1°W (Elev. 676 ft)
Last Update:
4:46 pm CST Jan 2, 2026
Forecast Valid:
6pm CST Jan 2, 2026-6pm CST Jan 9, 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