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

41°F

5°C

Humidity 57%
Wind Speed SW 7 mph
Barometer 30.16 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Apr 4:55 am CDT
Extended Forecast for

3 Miles S Argyle IA

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 60. West wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 60 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 60. West wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. North wind 5 to 10 mph becoming light and variable after midnight.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 51. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 56. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Argyle IA
 40.51°N 91.56°W (Elev. 643 ft)
Last Update:
3:12 am CDT Apr 19, 2026
Forecast Valid:
5am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation