Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

20°F

-7°C

Humidity 84%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 23 Feb 11:15 pm CST
Extended Forecast for

Sims IL

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Light south wind.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 47. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 47 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South southwest wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 29 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Light and variable wind becoming west northwest around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 36. Calm wind becoming northeast 5 to 7 mph in the evening.

    Low: 36 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before noon.  Partly sunny, with a high near 48. North wind 6 to 9 mph.

    High: 48 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. South southwest wind around 6 mph.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Light south wind.
Tuesday
Increasing clouds, with a high near 47. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South southwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 53. Light and variable wind becoming west northwest around 5 mph.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 36. Calm wind becoming northeast 5 to 7 mph in the evening.
Thursday
A 40 percent chance of showers before noon. Partly sunny, with a high near 48. North wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 58. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 37. South southwest wind around 6 mph.
Saturday
Sunny, with a high near 64. South southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 34. South wind 7 to 9 mph becoming north in the evening.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 49. East northeast wind 7 to 10 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33. East northeast wind around 8 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 49. North wind 8 to 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sims IL
 38.37°N 88.54°W
9:42 pm CST Feb 23, 2026
11pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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