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.

Mostly Cloudy

15°F

-9°C

Humidity 71%
Wind Speed Calm
Barometer 30.44 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 1 Feb 1:35 am CST
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 7. West northwest wind around 5 mph becoming calm.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 28. Wind chill values as low as zero. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18. South southwest wind around 6 mph.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. West southwest wind 3 to 6 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 35. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 35 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. North wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 28. North wind 3 to 6 mph.

    High: 28 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 7. West northwest wind around 5 mph becoming calm.
Sunday
Increasing clouds, with a high near 28. Wind chill values as low as zero. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18. South southwest wind around 6 mph.
Monday
Partly sunny, with a high near 36. West southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 23. Calm wind.
Tuesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 35. Calm wind becoming north northeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 18. North wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 28. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 10. Calm wind.
Thursday
Mostly sunny, with a high near 32. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 25. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 42. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 19. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 29. North wind around 6 mph becoming light and variable in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
1:16 am CST Feb 1, 2026
Forecast Valid:
1am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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