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.

Light Rain

43°F

6°C

Humidity 84%
Wind Speed NW 7 mph
Barometer 29.94 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Nov 3:15 pm CST
Extended Forecast for

Sims IL

  • This Afternoon

    This Afternoon: Scattered showers, mainly before 4pm. Partly sunny, with a steady temperature around 45. North northwest wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 45 °F

    Scattered
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 33. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 46. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. North northwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 49. North northwest wind around 5 mph becoming calm in the afternoon.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 25. Calm wind.

    Low: 25 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Calm wind.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers, mainly before 4pm. Partly sunny, with a steady temperature around 45. North northwest wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Increasing clouds, with a low around 33. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Friday
Mostly cloudy, with a high near 46. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 49. North northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 51. Calm wind.
Sunday Night
Mostly clear, with a low around 27. Calm wind.
Monday
Sunny, with a high near 53. Calm wind.
Monday Night
Clear, with a low around 27. Calm wind.
Tuesday
Sunny, with a high near 55. Light and variable wind.
Tuesday Night
Clear, with a low around 28. Calm wind.
Wednesday
Sunny, with a high near 59. Calm wind becoming south 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:
3:20 pm CST Nov 12, 2026
Forecast Valid:
3pm CST Nov 12, 2026-6pm CST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation