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

51°F

11°C

Humidity 49%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 5 Apr 8:15 pm CDT
Extended Forecast for

4 Miles S Johnsonville IL

  • Tonight

    Tonight: Clear, with a low around 39. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Northwest wind 6 to 10 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. North wind 6 to 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. East northeast wind 7 to 9 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. East southeast wind around 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers. Mostly sunny, with a high near 71. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 56. South wind around 6 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 39. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Northwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 39. North wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 53. East northeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers. Mostly sunny, with a high near 71. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 56. South wind around 6 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. South southwest wind 6 to 9 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind around 6 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South wind 6 to 8 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 60. South southeast wind around 7 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 7 to 14 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Johnsonville IL
 38.45°N 88.54°W
Last Update:
7:52 pm CDT Apr 5, 2026
Forecast Valid:
8pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
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Additional Resources

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Chance of Precipitation