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

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

30°F

-1°C

Humidity 86%
Wind Speed W 9 mph
Barometer 30.27 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Mar 6:15 am CDT
Extended Forecast for

4 Miles SSE Donnellson IA

Wind Advisory March 12, 10:00pm until March 13, 03:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Increasing clouds, with a high near 53. Breezy, with a west wind 5 to 10 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 53 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of rain between 11pm and 1am. Mostly cloudy, with a low around 40. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 51. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 1am. Cloudy, with a low around 45.

    Low: 45 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain before 1pm, then rain and snow. High near 56. Breezy. Chance of precipitation is 90%.

    High: 56 °F

    Rain then
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow likely before 1am. Cloudy, with a low around 14. Blustery. Chance of precipitation is 60%.

    Low: 14 °F

    Rain/Snow
    Likely and
    Blustery

  • Monday

    Monday: Mostly sunny, with a high near 24. Blustery.

    High: 24 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 53. Breezy, with a west wind 5 to 10 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A slight chance of rain between 11pm and 1am. Mostly cloudy, with a low around 40. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 51. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming northeast after midnight.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
A 40 percent chance of rain after 1am. Cloudy, with a low around 45.
Sunday
Rain before 1pm, then rain and snow. High near 56. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow likely before 1am. Cloudy, with a low around 14. Blustery. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 24. Blustery.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Donnellson IA
 40.59°N 91.53°W (Elev. 702 ft)
Last Update:
5:31 am CDT Mar 12, 2026
Forecast Valid:
6am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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