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.

Fair

65°F

18°C

Humidity 78%
Wind Speed SE 7 mph
Barometer 29.91 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 2 Apr 2:55 am CDT
Extended Forecast for

Fairfield IL

Wind Advisory April 2, 10:00am until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 14 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. South southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 67. South southwest wind 11 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind 7 to 10 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 21 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 14 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. South southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 67. South southwest wind 11 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 40. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 56. Northwest wind 7 to 10 mph.
Sunday Night
Clear, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 39. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 58. Northeast wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 37. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 66. South southeast wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
2:56 am CDT Apr 2, 2026
Forecast Valid:
3am CDT Apr 2, 2026-6pm CDT Apr 8, 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