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

25°F

-4°C

Humidity 53%
Wind Speed W 3 mph
Barometer 29.99 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 17 Jan 3:55 am CST
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: A chance of flurries. Mostly clear, with a steady temperature around 26. West wind around 5 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of flurries before noon, then a chance of flurries with a slight chance of snow showers between noon and 1pm, then a chance of flurries after 1pm. Increasing clouds, with a steady temperature around 25. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 25 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. West northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 13 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of flurries after noon. Increasing clouds, with a high near 29. Light west southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 29 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Partly cloudy, with a low around 12. South southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 12 °F

    Chance
    Flurries

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 21. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 21 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. West northwest wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. South wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly clear, with a steady temperature around 26. West wind around 5 mph, with gusts as high as 22 mph.
Saturday
A chance of flurries before noon, then a chance of flurries with a slight chance of snow showers between noon and 1pm, then a chance of flurries after 1pm. Increasing clouds, with a steady temperature around 25. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries after noon. Increasing clouds, with a high near 29. Light west southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A chance of flurries before midnight. Partly cloudy, with a low around 12. South southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Mostly sunny, with a high near 21. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 8. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 33. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 26. South wind 8 to 14 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 21. West southwest wind around 6 mph becoming north northwest after midnight.
Thursday
A slight chance of snow showers. Mostly sunny, with a high near 33. North northwest wind around 6 mph.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 17. Light and variable wind becoming east around 5 mph after midnight.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 35. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
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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:
4:06 am CST Jan 17, 2026
Forecast Valid:
4am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
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Additional Resources

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Chance of Precipitation