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 96%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 6 Aug 11:15 pm CDT
Extended Forecast for

Sims IL

  • Tonight

    Tonight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. South southeast wind around 6 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. South wind 3 to 7 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Calm wind.
Thursday
Mostly sunny, with a high near 89. Calm wind.
Thursday Night
Mostly clear, with a low around 69. Calm wind.
Friday
Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 71. South southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 92. South wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 3 to 7 mph.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. West southwest wind 3 to 7 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Light southwest wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the morning.
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:
10:31 pm CDT Aug 6, 2025
Forecast Valid:
11pm CDT Aug 6, 2025-6pm CDT Aug 13, 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