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.

Mostly Cloudy

74°F

23°C

Humidity 61%
Wind Speed S 12 mph
Barometer 29.74 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Apr 1:15 am CDT
Extended Forecast for

4 Miles S Johnsonville IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 51. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a slight chance of showers between noon and 2pm. Temperature falling to around 52 by 9am. West southwest wind 10 to 15 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 9 to 14 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 5 to 7 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 around 5 mph in the morning.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Southeast wind 3 to 7 mph.

    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: Partly cloudy, with a low around 56. South southwest wind 6 to 9 mph.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 51. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before noon, then a slight chance of showers between noon and 2pm. Temperature falling to around 52 by 9am. West southwest wind 10 to 15 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 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 39. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 63. Light and variable wind becoming east around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 48. Southeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 56. South southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 79. 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 wind 6 to 14 mph, with gusts as high as 22 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 10 to 15 mph, with gusts as high as 23 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:
1:26 am CDT Apr 18, 2026
Forecast Valid:
1am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
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Additional Resources

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Chance of Precipitation