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.

Partly Cloudy

22°F

-6°C

Humidity 58%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 29 Jan 1:55 am CST
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 11. Northeast wind 3 to 5 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Scattered flurries after 11am. Mostly cloudy, with a high near 22. Northeast wind 3 to 5 mph.

    High: 22 °F

    Scattered
    Flurries

  • Thursday Night

    Thursday Night: Scattered snow showers, mainly between midnight and 3am. Cloudy, with a low around 8. Wind chill values as low as zero. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 8 °F

    Scattered
    Snow Showers

  • Friday

    Friday: Partly sunny, with a high near 18. Wind chill values as low as -1. North wind 5 to 8 mph.

    High: 18 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. North wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Northwest wind around 6 mph becoming calm in the evening.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Calm wind becoming southwest around 5 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow showers after midnight. Mostly cloudy, with a low around 15. Light south wind.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 11. Northeast wind 3 to 5 mph.
Thursday
Scattered flurries after 11am. Mostly cloudy, with a high near 22. Northeast wind 3 to 5 mph.
Thursday Night
Scattered snow showers, mainly between midnight and 3am. Cloudy, with a low around 8. Wind chill values as low as zero. North wind around 6 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 18. Wind chill values as low as -1. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 4. North wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 17. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 3. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 25. Calm wind becoming southwest around 5 mph.
Sunday Night
A slight chance of snow showers after midnight. Mostly cloudy, with a low around 15. Light south wind.
Monday
Partly sunny, with a high near 32. West southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 20. Light west southwest wind.
Tuesday
Mostly cloudy, with a high near 34. South southwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 22. North northeast wind 3 to 6 mph.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 34. North northwest wind around 6 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:
1:11 am CST Jan 29, 2026
Forecast Valid:
2am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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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