National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

47°F

8°C

Humidity 69%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Mar 8:15 pm CDT
Extended Forecast for

6 Miles WSW Johnsonville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind 3 to 7 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 70 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. West southwest wind 3 to 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. West wind 3 to 6 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South southwest wind 3 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. South southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. North wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. South wind 3 to 7 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 51. West southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 76. West wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 80. South southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 38. North wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 52. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 33. East northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 58. East southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 40. East southeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 66. South wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Johnsonville IL
 38.5°N 88.65°W
Last Update:
6:15 pm CDT Mar 18, 2026
Forecast Valid:
8pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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