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

73°F

23°C

Humidity 88%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 3 Sep 2:35 am CDT
Extended Forecast for

Carmi IL

Extreme Heat Warning September 3, 02:42am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 02:42am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 72 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 106. Light and variable wind.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Light and variable wind. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 94 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 72. Calm wind.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75. Light south wind.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 106. Light and variable wind.
Friday Night
Mostly clear, with a low around 76. Calm wind.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 94. Calm wind becoming northeast 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 67. Northeast wind 5 to 8 mph becoming calm after midnight.
Labor Day
Sunny, with a high near 93. Calm wind becoming east around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 96. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Wednesday
Sunny and hot, with a high near 97. Southwest wind 6 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carmi IL
 38.08°N 88.16°W
Last Update:
2:36 am CDT Sep 3, 2026
Forecast Valid:
2am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation