Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

A Few Clouds

81°F

27°C

Humidity 79%
Wind Speed Vrbl 2 mph
Barometer 30.21 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Sep 11:15 am CDT
Extended Forecast for

2 Miles ENE Hamilton IL

  • Today

    Today: Mostly sunny, with a high near 85. East wind around 5 mph becoming west in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am.  Partly cloudy, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.

    High: 87 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 85. East wind around 5 mph becoming west in the afternoon.
Tonight
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 69. East wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 90.
Saturday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Hamilton IL
 40.39°N 91.33°W (Elev. 600 ft)
8:36 am CDT Sep 17, 2026
11am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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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