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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Overcast

34°F

1°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 30.12 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 10 Jan 12:55 am CST
Extended Forecast for

Donnellson IA

  • Overnight

    Overnight: Rain and snow likely before 5am, then a chance of snow. Cloudy, with a low around 32. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow, mainly before 3pm. Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 34. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain and snow likely before 5am, then a chance of snow. Cloudy, with a low around 32. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow, mainly before 3pm. Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 34. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Donnellson IA
 40.64°N 91.56°W (Elev. 705 ft)
Last Update:
8:41 pm CST Jan 9, 2026
Forecast Valid:
1am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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