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.

Overcast

46°F

8°C

Humidity 80%
Wind Speed NW 10 G 20 mph
Barometer 29.99 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 4:55 pm CDT
Extended Forecast for

Fairfield IL

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind 8 to 17 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 51. West wind 3 to 8 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. South wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Northwest wind around 6 mph becoming light and variable.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. Northeast wind 6 to 9 mph becoming east southeast in the afternoon.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 68 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 26 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely and
    Blustery

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind 8 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 51. West wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 40. South wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph.
Friday
Partly sunny, with a high near 61. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 35. Northwest wind around 6 mph becoming light and variable.
Saturday
Partly sunny, with a high near 60. Northeast wind 6 to 9 mph becoming east southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 48. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 35. West northwest wind around 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 17. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 29. South southeast wind 5 to 7 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 52. South southwest wind 7 to 10 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:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
5pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation