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

76°F

24°C

Humidity 95%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 15 Aug 3:15 am CDT
Extended Forecast for

Carmi IL

Extreme Heat Warning August 15, 03:31am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 03:31am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 107. Light and variable wind becoming west southwest around 6 mph in the morning.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South southwest wind 3 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 109. West wind around 7 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. North northwest wind 3 to 7 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny, with a high near 96. Heat index values as high as 107. Light and variable wind becoming west southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 76. South southwest wind 3 to 7 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 109. West wind around 7 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 89. North northwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind.
Tuesday Night
Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 94. South wind 5 to 11 mph becoming west in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 6 to 10 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. North northeast wind 5 to 8 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind 5 to 7 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carmi IL
 38.08°N 88.16°W
Last Update:
3:21 am CDT Aug 15, 2026
Forecast Valid:
3am CDT Aug 15, 2026-6pm CDT Aug 21, 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