Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

A Few Clouds

93°F

34°C

Humidity 59%
Wind Speed N 8 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 5 Sep 12:55 pm CDT
Extended Forecast for

Warsaw IL

Extreme Heat Warning September 5, 03:19pm until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 5, 03:19pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 70. East wind 5 to 10 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 90. East wind 5 to 10 mph.

    High: 90 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. East wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 113. North wind around 5 mph.
Tonight
Mostly clear, with a low around 70. East wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 90. East wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 65. East wind 5 to 10 mph.
Labor Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 95.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Warsaw IL
 40.35°N 91.42°W (Elev. 627 ft)
1:26 pm CDT Sep 5, 2026
3pm CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database