Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Overcast

41°F

5°C

Humidity 57%
Wind Speed N 2 mph
Barometer 30.29 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Feb 10:35 am CST
Extended Forecast for

4 Miles SSW Denmark IA

  • Today

    Today: A 20 percent chance of rain before noon.  Mostly cloudy, with a high near 50. South wind 5 to 10 mph.

    High: 50 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Southeast wind around 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56. South wind around 5 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 34. Calm wind becoming southeast around 5 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon.  Cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 50. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 31. Southeast wind around 5 mph.
Friday
Sunny, with a high near 56. South wind around 5 mph.
Friday Night
Increasing clouds, with a low around 34. Calm wind becoming southeast around 5 mph.
Saturday
A 30 percent chance of rain after noon. Cloudy, with a high near 53.
Saturday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 34.
Washington's Birthday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Denmark IA
 40.7°N 91.35°W (Elev. 725 ft)
4:42 am CST Feb 12, 2026
10am CST Feb 12, 2026-6pm CST Feb 18, 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