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.

Partly Cloudy

70°F

21°C

Humidity 94%
Wind Speed NW 3 mph
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 8 Aug 8:35 am CDT
Extended Forecast for

3 Miles NW Nauvoo IL

  • Today

    Today: Mostly sunny, with a high near 86. Northwest wind around 5 mph becoming east in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 70. East wind around 5 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 86. Northwest wind around 5 mph becoming east in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 70. East wind around 5 mph.
Sunday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 69.
Thursday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Nauvoo IL
 40.57°N 91.41°W (Elev. 518 ft)
Last Update:
6:11 am CDT Aug 8, 2026
Forecast Valid:
8am CDT Aug 8, 2026-6pm CDT Aug 14, 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