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.

Rain

67°F

19°C

Humidity 79%
Wind Speed W 6 G 21 mph
Barometer 29.80 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Apr 2:35 am CDT
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 52. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 3pm. Temperature falling to around 53 by noon. West southwest wind 10 to 14 mph becoming northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 63 °F⇓

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Light and variable wind becoming east northeast around 5 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Calm wind becoming south southeast 5 to 7 mph in the evening.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Southwest wind 7 to 9 mph.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 52. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 3pm. Temperature falling to around 53 by noon. West southwest wind 10 to 14 mph becoming northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Mostly clear, with a low around 38. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 66. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 39. Northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 63. Light and variable wind becoming east northeast around 5 mph.
Monday Night
Mostly clear, with a low around 48. Calm wind becoming south southeast 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 79. West southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Sunny, with a high near 83. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 21 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
1:26 am CDT Apr 18, 2026
Forecast Valid:
2am CDT Apr 18, 2026-6pm CDT Apr 24, 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