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

Showers and Thunderstorms in the Southeast; Above Average Temperatures Expected in the West

Showers and thunderstorms will continue to produce locally heavy rainfall and isolated severe thunderstorms across the Southern Plains and Gulf Coast states through the weekend. Above average temperatures will start building over portions of the West this weekend and peak early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Overcast

59°F

15°C

Humidity 59%
Wind Speed S 10 mph
Barometer 29.85 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 7 May 11:55 pm CDT
Extended Forecast for

Donnellson IA

  • Overnight

    Overnight: Partly cloudy, with a low around 46. Southeast wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 71. South wind around 5 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. West wind around 5 mph becoming southwest in the evening.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers after 1am. Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Southeast wind around 5 mph.
Friday
A slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 71. South wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 48. West wind around 5 mph becoming southwest in the evening.
Saturday
Mostly sunny, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 50.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 72.
Monday Night
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 50.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donnellson IA
 40.64°N 91.56°W (Elev. 705 ft)
Last Update:
10:46 pm CDT May 7, 2026
Forecast Valid:
12am CDT May 8, 2026-6pm CDT May 14, 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