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.

Overcast

28°F

-2°C

Humidity 71%
Wind Speed SW 5 mph
Barometer 30.23 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 2 Feb 9:15 am CST
Extended Forecast for

Fairfield IL

  • Today

    Today: Partly sunny, with a high near 35. West southwest wind 3 to 6 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after 8am. Mostly cloudy, with a high near 34. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 34 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. North wind 3 to 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 29. North wind 3 to 6 mph.

    High: 29 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 35. West southwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 25. Light and variable wind.
Tuesday
A 40 percent chance of snow, mainly after 8am. Mostly cloudy, with a high near 34. Calm wind becoming north northeast 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 18. North wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 29. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 13. Calm wind.
Thursday
Partly sunny, with a high near 33. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 26. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 19. North wind around 6 mph.
Saturday
Sunny, with a high near 33. North northeast wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 19. East southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 37. South southeast wind 3 to 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:
9:32 am CST Feb 2, 2026
Forecast Valid:
9am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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Additional Resources

Radar & Satellite Image

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