National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

41°F

5°C

Humidity 49%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 16 Nov 6:55 pm CST
Extended Forecast for

5 Miles ENE Fairfield IL

  • Tonight

    Tonight: Clear, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 58. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 58 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 44. Southeast wind 6 to 8 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 66. Southeast wind 7 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 80%.

    High: 66 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 48. East wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 65. Calm wind becoming west northwest around 5 mph.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 67. Light east southeast wind becoming south 5 to 9 mph in the morning.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Mostly cloudy, with a low around 55. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Showers

Detailed Forecast

Tonight
Clear, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.
Monday
Increasing clouds, with a high near 58. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 44. Southeast wind 6 to 8 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 66. Southeast wind 7 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 80%.
Tuesday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 48. East wind around 6 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 65. Calm wind becoming west northwest around 5 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. Light and variable wind.
Thursday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 67. Light east southeast wind becoming south 5 to 9 mph in the morning.
Thursday Night
Showers. Mostly cloudy, with a low around 55. South wind 7 to 10 mph, with gusts as high as 18 mph.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 68. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 45. Southwest wind 5 to 7 mph becoming west northwest after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 58. West wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 39. Light west wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 57. West wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Fairfield IL
 38.42°N 88.28°W
Last Update:
3:16 pm CST Nov 16, 2025
Forecast Valid:
7pm CST Nov 16, 2025-6pm CST Nov 23, 2025
 
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Additional Resources

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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