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

63°F

17°C

Humidity 85%
Wind Speed S 7 mph
Barometer 29.91 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 9 Mar 11:15 pm CDT
Extended Forecast for

Fairfield IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 70. South southwest wind 15 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 33. North northwest wind 9 to 17 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 51. North northwest wind around 6 mph becoming west in the afternoon.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Light south wind becoming south southwest 10 to 15 mph in the evening. Winds could gust as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Calm wind becoming northeast around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 78. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 70. South southwest wind 15 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 33. North northwest wind 9 to 17 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 51. North northwest wind around 6 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 41. Light south wind becoming south southwest 10 to 15 mph in the evening. Winds could gust as high as 26 mph.
Friday
Mostly cloudy, with a high near 62. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 39. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 67. East wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 52. South southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Sunday
Showers likely. Partly sunny, with a high near 65. South southwest wind 14 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. North northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 41. North northwest wind 9 to 11 mph, with gusts as high as 20 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:
7:51 pm CDT Mar 9, 2026
Forecast Valid:
11pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation