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

78°F

26°C

Humidity 86%
Wind Speed SE 3 mph
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Aug 10:55 pm CDT
Extended Forecast for

Carmi IL

Heat Advisory August 18, 11:12pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 11:12pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Tonight

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Calm wind becoming north 5 to 8 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. North wind 5 to 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89. North northeast wind 5 to 7 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. North northeast wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Light north northeast wind.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 74. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Calm wind becoming north 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 67. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Light north northeast wind.
Friday Night
Clear, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. North northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carmi IL
 38.08°N 88.16°W
Last Update:
10:31 pm CDT Aug 18, 2025
Forecast Valid:
11pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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