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

53°F

12°C

Humidity 56%
Wind Speed S 7 mph
Barometer 29.92 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 27 Feb 9:35 pm CST
Extended Forecast for

Fairfield IL

  • Tonight

    Tonight: Clear, with a low around 40. South southwest wind 5 to 7 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 65. North northeast wind around 6 mph becoming calm in the afternoon.

    High: 65 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 47. Northeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow showers, mainly after midnight. Cloudy, with a low around 32. East northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 32 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A 50 percent chance of showers, mainly before noon. Cloudy, with a high near 43. East wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 43 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Cloudy, with a low around 38. East wind around 7 mph becoming south southeast after midnight. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 59. South southwest wind 7 to 9 mph.

    High: 59 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 50. South southwest wind around 8 mph becoming east southeast after midnight.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 40. South southwest wind 5 to 7 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Increasing clouds, with a high near 65. North northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
A slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday
Increasing clouds, with a high near 47. Northeast wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Rain likely, possibly mixed with snow showers, mainly after midnight. Cloudy, with a low around 32. East northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers, mainly before noon. Cloudy, with a high near 43. East wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 38. East wind around 7 mph becoming south southeast after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 59. South southwest wind 7 to 9 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 50. South southwest wind around 8 mph becoming east southeast after midnight.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 63. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 66. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 53. South wind around 8 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. South southwest wind 8 to 11 mph, with gusts as high as 18 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 88.37°W
Last Update:
9:36 pm CST Feb 27, 2026
Forecast Valid:
9pm CST Feb 27, 2026-6pm CST Mar 6, 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