Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Thunderstorm

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 19 Jul 11:55 am CDT
Extended Forecast for

4 Miles SW Johnsonville IL

Heat Advisory until July 19, 07:00pm
Flood Advisory until July 19, 02:45pm
Click here for hazard details and duration
Heat Advisory
Flood Advisory
  •  
    Heat Advisory until July 19, 07:00pm
    Flood Advisory until July 19, 02:45pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 75. South southwest wind around 6 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 94. Heat index values as high as 105. West southwest wind 6 to 8 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm.  Partly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Light and variable wind becoming north northwest around 6 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 72. Light east wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Light southeast wind.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 91. Northwest wind around 8 mph becoming south southwest. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. South southwest wind around 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 105. West southwest wind 6 to 8 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 74. Light and variable wind.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Light and variable wind becoming north northwest around 6 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Light east wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 74. Light southeast wind.
Wednesday
Sunny, with a high near 94. South southwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 76. Light south wind.
Thursday
Sunny, with a high near 95. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 76. Light south southwest wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Johnsonville IL
 38.48°N 88.59°W
11:31 am CDT Jul 19, 2025
12pm CDT Jul 19, 2025-6pm CDT Jul 25, 2025
 
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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