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

74°F

23°C

Humidity 94%
Wind Speed S 7 mph
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Jun 5:55 am CDT
Extended Forecast for

Fairfield IL

Lake Wind Advisory June 18, 11:00am until June 18, 07:00pm
Click here for hazard details and duration
Lake Wind Advisory

  • Today

    Today: Showers and thunderstorms likely, mainly between 3pm and 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. South southwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe. Mostly cloudy, with a low around 70. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 7 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 6 to 10 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind around 7 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. South southwest wind 6 to 8 mph.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 3pm and 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. South southwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe. Mostly cloudy, with a low around 70. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Clear, with a low around 71. South wind around 6 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 75. South wind around 7 mph.
Sunday
Sunny, with a high near 93. South southwest wind 6 to 8 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.34°W
Last Update:
5:46 am CDT Jun 18, 2025
Forecast Valid:
6am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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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