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

28°F

-2°C

Humidity 58%
Wind Speed E 5 mph
Barometer 30.40 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 7 Feb 5:15 pm CST
Extended Forecast for

4 Miles S Johnsonville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. East southeast wind 3 to 7 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40. East southeast wind 6 to 10 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. East wind 3 to 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 35. North northeast wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before noon. Mostly cloudy, with a high near 48. Northeast wind around 7 mph.

    High: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 33. East northeast wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. East southeast wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 40. East southeast wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 27. East wind 3 to 7 mph.
Monday
Sunny, with a high near 50. Light and variable wind.
Monday Night
Mostly clear, with a low around 35. Calm wind becoming south southwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 60. West wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 35. North northeast wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers before noon. Mostly cloudy, with a high near 48. Northeast wind around 7 mph.
Wednesday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 33. East northeast wind around 6 mph.
Thursday
A chance of showers, mainly after noon. Cloudy, with a high near 43. East northeast wind around 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 28. Northeast wind around 5 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 45. Northeast wind 5 to 7 mph.
Friday Night
A slight chance of rain or freezing rain. Mostly cloudy, with a low around 27. East northeast wind 5 to 7 mph.
Saturday
A chance of showers. Partly sunny, with a high near 41. East northeast wind 7 to 9 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:
3:22 pm CST Feb 7, 2026
Forecast Valid:
5pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
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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