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

69°F

21°C

Humidity 77%
Wind Speed S 10 mph
Barometer 29.88 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 7:55 am CDT
Extended Forecast for

4 Miles S Johnsonville IL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Southwest wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. South southwest wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain showers before 4am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow showers before 7am. Sunny, with a high near 61. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 61 °F

    Slight Chance
    Snow Showers
    then Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
Mostly clear, with a low around 59. Southwest wind around 6 mph becoming calm after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. South southwest wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
A chance of rain showers before 4am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
A slight chance of snow showers before 7am. Sunny, with a high near 61. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 38. Northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 67. South wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 47. South wind around 6 mph.
Tuesday
Sunny, with a high near 74. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Johnsonville IL
 38.45°N 88.54°W
Last Update:
6:36 am CDT Apr 15, 2026
Forecast Valid:
8am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

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