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

75°F

24°C

Humidity 93%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 2:15 am CDT
Extended Forecast for

2 Miles S Johnsonville IL

Heat Advisory August 17, 02:19am until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 02:19am until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light and variable wind.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. Light east wind.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. Light east wind.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Light northwest wind.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. North wind 3 to 8 mph.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 75. Light east wind.
Monday
Sunny, with a high near 94. Light east wind.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Light northwest wind.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. North wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 67. North northeast wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 85. North northeast wind 6 to 9 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 88. North northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 66. Light north northeast wind.
Saturday
Sunny, with a high near 88. Calm wind becoming north northwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Johnsonville IL
 38.48°N 88.54°W
Last Update:
1:30 am CDT Aug 17, 2025
Forecast Valid:
2am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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Additional Resources

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