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

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

73°F

23°C

Humidity 65%
Wind Speed E 6 mph
Barometer 30.12 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Oct 5:35 pm CDT
Extended Forecast for

Elvaston IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a high near 78. East wind around 5 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. East wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Southeast wind around 10 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 1pm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 78. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 59. East wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 81. Southeast wind around 10 mph.
Thursday Night
Increasing clouds, with a low around 63. Southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 82.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Saturday
Showers, with thunderstorms also possible after 1pm. High near 70. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elvaston IL
 40.39°N 91.25°W (Elev. 646 ft)
Last Update:
4:16 pm CDT Oct 15, 2025
Forecast Valid:
5pm CDT Oct 15, 2025-6pm CDT Oct 22, 2025
 
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