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

41°F

5°C

Humidity 50%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 9 Feb 4:55 pm CST
Extended Forecast for

4 Miles S Johnsonville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Calm wind becoming south southwest 5 to 7 mph in the evening.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. South southwest wind 7 to 9 mph becoming north northwest in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. North northwest wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46. North northwest wind 3 to 6 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 44. Calm wind becoming east southeast around 5 mph.

    High: 44 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before midnight, then a slight chance of rain showers. Mostly cloudy, with a low around 31. Light east wind. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 46. East wind 3 to 6 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 33. East wind 3 to 6 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Calm wind becoming south southwest 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 59. South southwest wind 7 to 9 mph becoming north northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 28. North northwest wind around 6 mph.
Wednesday
Sunny, with a high near 46. North northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 44. Calm wind becoming east southeast around 5 mph.
Thursday Night
A slight chance of rain and snow showers before midnight, then a slight chance of rain showers. Mostly cloudy, with a low around 31. Light east wind. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 46. East wind 3 to 6 mph.
Friday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 33. East wind 3 to 6 mph.
Saturday
Showers likely, mainly after noon. Cloudy, with a high near 47. East wind 6 to 10 mph.
Saturday Night
Showers. Cloudy, with a low around 38. East wind around 10 mph, with gusts as high as 21 mph.
Sunday
Showers likely. Partly sunny, with a high near 51. Northeast wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 33. Northwest wind 3 to 7 mph.
Washington's Birthday
Mostly sunny, with a high near 55. Light and variable wind becoming south 5 to 8 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Johnsonville IL
 38.45°N 88.54°W
Last Update:
4:47 pm CST Feb 9, 2026
Forecast Valid:
5pm CST Feb 9, 2026-6pm CST Feb 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation