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

65°F

18°C

Humidity 75%
Wind Speed S 17 G 24 mph
Barometer 29.68 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 8 Jan 5:15 pm CST
Extended Forecast for

Fairfield IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a high near 64. South wind around 18 mph, with gusts as high as 29 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 52. Breezy, with a south wind 15 to 22 mph becoming west southwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a temperature falling to around 49 by 5pm. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 52 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 47. Light northwest wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 34. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. Light and variable wind.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 45 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 64. South wind around 18 mph, with gusts as high as 29 mph.
Tonight
Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 52. Breezy, with a south wind 15 to 22 mph becoming west southwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%.
Friday
Partly sunny, with a temperature falling to around 49 by 5pm. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Calm wind.
Saturday
A 30 percent chance of showers before noon. Partly sunny, with a high near 47. Light northwest wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 25. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 34. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 22. Light and variable wind.
Monday
Sunny, with a high near 45. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 51. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 36. West southwest wind 6 to 8 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 43. North northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 24. North northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 35. Northwest wind 5 to 7 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:
5:21 pm CST Jan 8, 2026
Forecast Valid:
5pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
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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