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

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Mostly Cloudy

88°F

31°C

Humidity 70%
Wind Speed SE 17 G 24 mph
Barometer 29.85 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 29 Jun 4:55 pm CDT
Extended Forecast for

Franklin IA

Extreme Heat Warning June 29, 05:18pm until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 05:18pm until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 73.
Independence Day
Mostly sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Franklin IA
 40.66°N 91.5°W (Elev. 623 ft)
Last Update:
3:02 pm CDT Jun 29, 2026
Forecast Valid:
5pm CDT Jun 29, 2026-6pm CDT Jul 6, 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