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

49°F

9°C

Humidity 44%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 Mar 6:35 pm CDT
Extended Forecast for

Fairfield IL

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 33 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. West wind 13 to 18 mph, with gusts as high as 34 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. West northwest wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. East northeast wind 5 to 9 mph becoming southeast in the afternoon.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. East southeast wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

    High: 69 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Low around 25. Breezy, with a south southwest wind around 23 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 33 mph.

    High: 30 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. West northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 33 mph.
Friday
Partly sunny, with a high near 60. West wind 13 to 18 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 35. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 63. East northeast wind 5 to 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51. East southeast wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Low around 25. Breezy, with a south southwest wind around 23 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%.
Monday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 14. West northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 34. West wind 7 to 9 mph.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 24. West southwest wind 5 to 8 mph becoming southeast in the evening.
Wednesday
A slight chance of rain and snow showers. Partly sunny, with a high near 50. South wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 38. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 62. South southwest wind 6 to 8 mph.
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 88.34°W
Last Update:
5:51 pm CDT Mar 12, 2026
Forecast Valid:
6pm CDT Mar 12, 2026-6pm CDT Mar 19, 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