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

-10°C

14°F

Humidity 73%
Wind Speed W 20 km/h
Barometer 30.21 in
Dewpoint -14°C (7°F)
Visibility 16 km
Wind Chill-18°C (0°F)
Last update 13 Dec 1:35 am CST
Extended Forecast for

4 Miles SSE Saint Patrick MO

Cold Weather Advisory December 13, 06:00pm until December 14, 12:00pm
Winter Weather Advisory December 13, 06:00am until December 13, 03:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of snow after 5am. Cloudy, with a low around -12. Northwest wind around 20 km/h.

    Low: -12 °C

    Slight Chance
    Snow

  • Saturday

    Saturday: Snow, mainly before 5pm. High near -11. Wind chill values as low as -20. North wind 10 to 15 km/h. Chance of precipitation is 100%. New snow accumulation of 6 to 10 centimeters possible.

    High: -11 °C

    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -19. Wind chill values as low as -30. Northwest wind around 15 km/h.

    Low: -19 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near -13. Wind chill values as low as -30. Northwest wind 10 to 15 km/h becoming northwest 5 to 10 km/h in the afternoon.

    High: -13 °C

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -17.

    Low: -17 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 2.

    High: 2 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -6.

    Low: -6 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 7.

    High: 7 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 0.

    Low: 0 °C

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Cloudy, with a low around -12. Northwest wind around 20 km/h.
Saturday
Snow, mainly before 5pm. High near -11. Wind chill values as low as -20. North wind 10 to 15 km/h. Chance of precipitation is 100%. New snow accumulation of 6 to 10 centimeters possible.
Saturday Night
Mostly clear, with a low around -19. Wind chill values as low as -30. Northwest wind around 15 km/h.
Sunday
Sunny and cold, with a high near -13. Wind chill values as low as -30. Northwest wind 10 to 15 km/h becoming northwest 5 to 10 km/h in the afternoon.
Sunday Night
Mostly clear, with a low around -17.
Monday
Sunny, with a high near 2.
Monday Night
Mostly clear, with a low around -6.
Tuesday
Sunny, with a high near 7.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 11.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
Mostly sunny, with a high near 9.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Partly sunny, with a high near 7.
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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 m)
Last Update:
12:16 am CST Dec 13, 2025
Forecast Valid:
1am CST Dec 13, 2025-6pm CST Dec 19, 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