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

39°F

4°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 30.15 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Apr 6:15 am CDT
Extended Forecast for

Saint Patrick MO

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

  • Today

    Today: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 61. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 61 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. Northeast wind 5 to 10 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 52 °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 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 61. West wind 5 to 10 mph increasing to 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 35. Northeast wind 5 to 10 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 52. South wind around 10 mph, with gusts as high as 25 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 60.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82.
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. Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Patrick MO
 40.33°N 91.65°W (Elev. 653 ft)
Last Update:
3:12 am CDT Apr 19, 2026
Forecast Valid:
6am CDT Apr 19, 2026-6pm CDT Apr 25, 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