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

Hazardous Weather Conditions

Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

30°F

-1°C

Humidity 52%
Wind Speed S 7 mph
Barometer 30.14 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 21 Jan 4:55 am CST
Extended Forecast for

Fairfield IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 45. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 23. West southwest wind 5 to 7 mph becoming northwest after midnight.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. Light northwest wind.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11. Light north wind increasing to 6 to 11 mph after midnight. Winds could gust as high as 22 mph.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 18. North wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow showers. Cloudy, with a high near 15. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 15 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 10. Northeast wind around 7 mph.

    Low: 10 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A slight chance of snow showers before noon. Mostly cloudy, with a high near 20. North wind 5 to 7 mph.

    High: 20 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 45. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 23. West southwest wind 5 to 7 mph becoming northwest after midnight.
Thursday
Partly sunny, with a high near 36. Light northwest wind.
Thursday Night
Mostly cloudy, with a low around 11. Light north wind increasing to 6 to 11 mph after midnight. Winds could gust as high as 22 mph.
Friday
Mostly cloudy, with a high near 18. North wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of snow showers. Cloudy, with a high near 15. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 10. Northeast wind around 7 mph.
Sunday
A slight chance of snow showers before noon. Mostly cloudy, with a high near 20. North wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 6. Light northwest wind.
Monday
Sunny, with a high near 20. Northwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 6. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 30. South southwest wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
4:32 am CST Jan 21, 2026
Forecast Valid:
5am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation