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

65°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 5:15 am CDT
Extended Forecast for

7 Miles SW Johnsonville IL

  • Today

    Today: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 84. Light east southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    T-storms then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 67. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    Low: 67 °F

    T-storms then
    Showers

  • Monday

    Monday: A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 78. North northwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light north northeast wind.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Light and variable wind.
Tonight
Partly cloudy, with a low around 65. Calm wind.
Sunday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 84. Light east southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 67. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Monday
A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 78. North northwest wind 8 to 10 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 82. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 62. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Light north northeast wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Johnsonville IL
 38.46°N 88.62°W
Last Update:
5:26 am CDT Jun 20, 2026
Forecast Valid:
5am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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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