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

79°F

26°C

Humidity 65%
Wind Speed E 5 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Jun 6:15 pm CDT
Extended Forecast for

Pontoosuc IL

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Southeast wind around 5 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

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

    Low: 70 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 68. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Southeast wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 67.
Juneteenth
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 67.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pontoosuc IL
 40.63°N 91.21°W (Elev. 531 ft)
Last Update:
6:01 pm CDT Jun 14, 2025
Forecast Valid:
6pm CDT Jun 14, 2025-6pm CDT Jun 21, 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