Dangerous Heat in the Central and Southern U.S.; Thunderstorms and Heavy Rain in the Northern Plains

Dangerous, prolonged heat is expected across portions of the Central and Southeast U.S. through July. Scattered severe thunderstorms are expected over parts of the northern Plains into the upper Mississippi Valley Tuesday, with damaging winds and large hail as the primary threats. Heavy rainfall could lead to areas of flooding across the northern Plains, Upper Midwest, Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

76°F

24°C

Humidity 93%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 21 Jul 10:15 pm CDT
Extended Forecast for

2 Miles SW Fairfield Municipal Airport IL

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 91. East southeast wind 3 to 6 mph.

    High: 91 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming south around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming south around 6 mph in the morning.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 92. South southwest wind 3 to 7 mph.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. East southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 94. Calm wind becoming south around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Light south wind.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. South southwest wind 3 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light south wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light south southwest wind.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light and variable wind.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Fairfield Municipal Airport IL
 38.36°N 88.43°W
7:31 pm CDT Jul 21, 2025
10pm CDT Jul 21, 2025-6pm CDT Jul 28, 2025
 
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