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

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

48°F

9°C

Humidity 82%
Wind Speed E 9 mph
Barometer 29.83 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Nov 8:35 am CST
Extended Forecast for

4 Miles NW Donnellson IA

  • Today

    Today: Patchy drizzle before noon. Mostly cloudy, with a high near 54. East wind 5 to 10 mph becoming north in the afternoon.

    High: 54 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. North wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Northeast wind around 5 mph becoming calm.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 40 percent chance of rain. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy drizzle before noon. Mostly cloudy, with a high near 54. East wind 5 to 10 mph becoming north in the afternoon.
Tonight
Mostly cloudy, with a low around 41. North wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 53. Northeast wind around 5 mph becoming calm.
Wednesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph.
Thursday
Partly sunny, with a high near 61.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 51.
Friday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Donnellson IA
 40.68°N 91.61°W (Elev. 650 ft)
Last Update:
7:16 am CST Nov 18, 2025
Forecast Valid:
9am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
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