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

33°F

1°C

Humidity 55%
Wind Speed W 3 mph
Barometer 30.54 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 11 Jan 3:55 pm CST
Extended Forecast for

4 Miles S Johnsonville IL

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 34. West northwest wind around 5 mph.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. South southwest wind 5 to 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 39. West southwest wind 6 to 9 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain showers before noon, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 44. Northwest wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. North northwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32. North northwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 34. West northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 23. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 48. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 33. South southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39. West southwest wind 6 to 9 mph.
Wednesday
A slight chance of rain showers before noon, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 44. Northwest wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 17. North northwest wind 13 to 15 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 32. North northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 24. Southwest wind 3 to 8 mph.
Friday
Partly sunny, with a high near 41. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 32. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
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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:
3:17 pm CST Jan 11, 2026
Forecast Valid:
4pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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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