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

59°F

15°C

Humidity 22%
Wind Speed E 9 mph
Barometer 30.05 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 17 Nov 2:55 pm CST
Extended Forecast for

Fairfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. Southeast wind around 6 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after midnight. Increasing clouds, with a low around 45. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: 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. High near 68. Southeast wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 47. North northeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61. Light north wind.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon. High near 64. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 54. Southwest wind 3 to 6 mph.

    Low: 54 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 64. Southwest wind 6 to 10 mph becoming northeast in the morning.

    High: 64 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Southeast wind around 6 mph.
Tonight
A chance of showers, with thunderstorms also possible after midnight. Increasing clouds, with a low around 45. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Tuesday
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. High near 68. Southeast wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 47. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 61. Light north wind.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 46. Calm wind.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. High near 64. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 54. Southwest wind 3 to 6 mph.
Friday
Showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 64. Southwest wind 6 to 10 mph becoming northeast in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. North northeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 57. Northwest wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 38. Light west northwest wind.
Sunday
Mostly sunny, with a high near 59. Calm wind becoming west southwest around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.34°W
Last Update:
1:06 pm CST Nov 17, 2025
Forecast Valid:
3pm CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation