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.

Partly Cloudy

49°F

9°C

Humidity 72%
Wind Speed S 5 mph
Barometer 30.10 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Nov 6:35 am CST
Extended Forecast for

Sims IL

  • Today

    Today: Mostly sunny, with a high near 74. Southwest wind 6 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 75. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. West southwest wind 6 to 8 mph becoming north after midnight.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. North wind 3 to 7 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 59. Calm wind becoming east southeast 5 to 7 mph in the morning.

    High: 59 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers. Mostly cloudy, with a low around 43. East wind around 7 mph.

    Low: 43 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before noon. Partly sunny, with a high near 58. North northeast wind 7 to 9 mph.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 74. Southwest wind 6 to 10 mph.
Tonight
Partly cloudy, with a low around 57. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 75. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 43. West southwest wind 6 to 8 mph becoming north after midnight.
Sunday
Sunny, with a high near 59. North wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 34. Calm wind.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 59. Calm wind becoming east southeast 5 to 7 mph in the morning.
Monday Night
Showers. Mostly cloudy, with a low around 43. East wind around 7 mph.
Tuesday
A chance of showers, mainly before noon. Partly sunny, with a high near 58. North northeast wind 7 to 9 mph.
Tuesday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 36. Northeast wind 3 to 6 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 54. East wind 5 to 7 mph.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 40. East wind 3 to 7 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 59. East wind 7 to 10 mph becoming south southeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sims IL
 38.37°N 88.54°W
Last Update:
3:11 am CST Nov 14, 2025
Forecast Valid:
6am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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