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

57°F

14°C

Humidity 61%
Wind Speed S 3 mph
Barometer 30.19 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 10 Apr 4:35 am CDT
Extended Forecast for

Fairfield IL

  • Today

    Today: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 75. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 51. North northwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between 7am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. Northeast wind around 6 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Southeast wind 3 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. South southwest wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 65. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 75. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 51. North northwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 30%.
Saturday
A slight chance of showers between 7am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. Northeast wind around 6 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 82. South southwest wind 7 to 17 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 65. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 6 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:
2:16 am CDT Apr 10, 2026
Forecast Valid:
4am CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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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