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.

Partly Cloudy

76°F

24°C

Humidity 71%
Wind Speed SW 6 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 10:35 am CDT
Extended Forecast for

4 Miles SSE Johnsonville IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 83. South wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 64. Southeast wind 5 to 7 mph.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 88. South wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 75. North northwest wind around 9 mph.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 83. South wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
A 40 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 64. Southeast wind 5 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 88. South wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 75. North northwest wind around 9 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 54. North northeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 73. North northeast wind around 8 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Northeast wind 5 to 7 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 76. Northeast wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Johnsonville IL
 38.47°N 88.51°W
Last Update:
8:41 am CDT May 16, 2026
Forecast Valid:
10am CDT May 16, 2026-6pm CDT May 22, 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