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

54°F

12°C

Humidity 63%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 May 12:15 am CDT
Extended Forecast for

3 Miles NNE Sims IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 53. South southeast wind 3 to 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 80. East southeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. South wind around 9 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 85. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. South wind around 7 mph.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 89. South wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 53. South southeast wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 80. East southeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. South wind around 9 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 85. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. South wind around 7 mph.
Sunday
Sunny, with a high near 89. South wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 68. South wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind 10 to 17 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Southwest wind 13 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 6 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 3 to 6 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Northeast wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Sims IL
 38.41°N 88.51°W
Last Update:
9:01 pm CDT May 14, 2026
Forecast Valid:
12am CDT May 15, 2026-6pm CDT May 21, 2026
 
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