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

71°F

22°C

Humidity 67%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 29 Sep 7:15 pm CDT
Extended Forecast for

Sims IL

  • Tonight

    Tonight: Clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Light northeast wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. Light east wind.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 85. Light east southeast wind.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the morning.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57. Light south wind.

    Low: 57 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 59. Light and variable wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming northeast 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 54. Light northeast wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 57. Light east wind.
Thursday
Partly sunny, with a high near 85. Light east southeast wind.
Thursday Night
Mostly clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
Clear, with a low around 57. Light south wind.
Saturday
Sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 56. South southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. South southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sims IL
 38.37°N 88.54°W
Last Update:
7:31 pm CDT Sep 29, 2025
Forecast Valid:
7pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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Additional Resources

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Chance of Precipitation