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 75%
Wind Speed NE 8 mph
Barometer 30.09 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Aug 9:35 am CDT
Extended Forecast for

Cisne IL

Extreme Heat Warning August 14, 10:07am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 10:07am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 93 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Light south southeast wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 109. Light and variable wind becoming west southwest around 6 mph in the morning.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Calm wind becoming southwest around 6 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94. West wind 5 to 7 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light north wind.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 86. North wind 3 to 8 mph.

    High: 86 °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

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 93. Heat index values as high as 107. North northeast wind around 5 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 75. Light south southeast wind.
Saturday
Sunny, with a high near 94. Heat index values as high as 109. Light and variable wind becoming west southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 76. Calm wind becoming southwest around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 94. West wind 5 to 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light north wind.
Monday
Mostly sunny, with a high near 86. North wind 3 to 8 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 85. Calm wind.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
Mostly sunny, with a high near 91. Light south wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 6 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 86. North wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cisne IL
 38.52°N 88.45°W
Last Update:
7:01 am CDT Aug 14, 2026
Forecast Valid:
10am CDT Aug 14, 2026-6pm CDT Aug 20, 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