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

45°F

7°C

Humidity 53%
Wind Speed N 5 mph
Barometer 30.25 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Apr 10:15 pm CDT
Extended Forecast for

4 Miles SSE Saint Patrick MO

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

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. Northeast wind around 5 mph.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 67. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 53. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. Northeast wind around 5 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Increasing clouds, with a low around 53. South wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Thursday Night
Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Saint Patrick MO
 40.26°N 91.63°W (Elev. 650 ft)
Last Update:
8:52 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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