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

Hazardous Weather Conditions

Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

82°F

28°C

Humidity 80%
Wind Speed S 3 mph
Barometer 30.04 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Aug 8:55 pm CDT
Extended Forecast for

Barnhill IL

Extreme Heat Warning August 15, 09:18pm until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 09:18pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. West wind 5 to 7 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. Light north northwest wind.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 86. North northwest wind 3 to 7 mph.

    High: 86 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Light north wind.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light and variable wind becoming south southwest 5 to 7 mph in the morning.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 95. West wind 5 to 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. Light north northwest wind.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 86. North northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 64. Light north wind.
Tuesday
Sunny, with a high near 87. Calm wind.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. North northeast wind 5 to 7 mph.
Thursday
A slight chance of showers before 1pm. Partly sunny, with a high near 83. North northeast wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 62. Calm wind.
Saturday
Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barnhill IL
 38.29°N 88.38°W
Last Update:
8:15 pm CDT Aug 15, 2026
Forecast Valid:
9pm CDT Aug 15, 2026-6pm CDT Aug 22, 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