Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Fairfield Municipal Airport (KFFL)

Lat: 41.05°NLon: 91.98°WElev: 787ft.

Fair

91°F

33°C

Humidity 67%
Wind Speed SW 13 G 22 mph
Barometer 29.87 in
Dewpoint 79°F (26°C)
Visibility 8.00 mi
Heat Index107°F (42°C)
Last update 30 Jun 6:15 pm CDT
Extended Forecast for

4 Miles NNW Libertyville IA

Extreme Heat Warning June 30, 06:26pm until July 2, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 06:26pm until July 2, 10:00pm

    NOW until 10:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92. Heat index values as high as 101. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 93. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 76. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 92. Heat index values as high as 101. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 92.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Independence Day
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Libertyville IA
 41.02°N 92.07°W (Elev. 751 ft)
5:47 pm CDT Jun 30, 2026
6pm CDT Jun 30, 2026-6pm CDT Jul 7, 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