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

46°F

8°C

Humidity 55%
Wind Speed SE 6 mph
Barometer 30.08 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Mar 8:15 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 14 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 around 22 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 13. West northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 13 °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 14 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 around 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 13. West northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 34. West wind around 8 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 37. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 62. South southwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
5:51 pm CDT Mar 12, 2026
Forecast Valid:
8pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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Chance of Precipitation