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

41°F

5°C

Humidity 92%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Nov 12:35 am CST
Extended Forecast for

Sims IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind becoming west southwest around 6 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Showers likely and possibly a thunderstorm, mainly after 3pm. Mostly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 69 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. North northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 51. North northwest wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. North northwest wind 9 to 16 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 38. Calm wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.
Monday Night
Clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 69. Calm wind becoming west southwest around 6 mph.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Veterans Day
Showers likely and possibly a thunderstorm, mainly after 3pm. Mostly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. North northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 51. North northwest wind 14 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 32. North northwest wind 9 to 16 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 46. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 28. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 50. Calm wind becoming northwest 5 to 7 mph.
Saturday Night
Clear, with a low around 31. Calm wind.
Sunday
Sunny, with a high near 57. Calm wind becoming southwest around 5 mph.
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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:
12:26 am CST Nov 9, 2026
Forecast Valid:
12am CST Nov 9, 2026-6pm CST Nov 15, 2026
 
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Additional Resources

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Chance of Precipitation