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.

Overcast

24°F

-4°C

Humidity 76%
Wind Speed NW 3 mph
Barometer 30.13 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 2 Dec 11:55 am CST
Extended Forecast for

Fairfield IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 31. Northwest wind around 6 mph becoming calm.

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Light and variable wind.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41. Light south wind becoming south southwest 5 to 9 mph.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Light and variable wind becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. North wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 20 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36. Calm wind becoming south southwest around 6 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40. Light and variable wind becoming west around 6 mph.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 31. Northwest wind around 6 mph becoming calm.
Tonight
Partly cloudy, with a low around 18. Light and variable wind.
Wednesday
Increasing clouds, with a high near 41. Light south wind becoming south southwest 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Light and variable wind becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 26. North wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 13. Calm wind.
Friday
Mostly sunny, with a high near 36. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 23. Light and variable wind.
Saturday
Partly sunny, with a high near 40. Light and variable wind becoming west around 6 mph.
Saturday Night
Mostly cloudy, with a low around 24. Calm wind becoming northeast around 5 mph after midnight.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 36. Northeast wind 5 to 7 mph.
Sunday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 18. North wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 36. Light and variable wind becoming northwest around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
10:47 am CST Dec 2, 2025
Forecast Valid:
12pm CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation