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

47°F

8°C

Humidity 51%
Wind Speed N 5 mph
Barometer 30.03 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 28 Feb 4:15 am CST
Extended Forecast for

4 Miles S Johnsonville IL

  • Today

    Today: A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 63. North northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

    High: 63 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Snow showers likely, mainly after midnight. Cloudy, with a low around 30. East northeast wind around 9 mph. Chance of precipitation is 60%.

    Low: 30 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of rain and snow showers before 9am, then a chance of rain showers between 9am and noon. Cloudy, with a high near 43. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow
    then Cloudy

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Cloudy, with a low around 37. East southeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after midnight. Cloudy, with a low around 50. South southwest wind 7 to 9 mph becoming east after midnight.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 64. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 63. North northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Tonight
A slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 45. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Snow showers likely, mainly after midnight. Cloudy, with a low around 30. East northeast wind around 9 mph. Chance of precipitation is 60%.
Monday
A chance of rain and snow showers before 9am, then a chance of rain showers between 9am and noon. Cloudy, with a high near 43. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 37. East southeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night
Showers, with thunderstorms also possible after midnight. Cloudy, with a low around 50. South southwest wind 7 to 9 mph becoming east after midnight.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 64. South wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
A chance of showers. Partly sunny, with a high near 68. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. South wind around 6 mph.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. South southwest wind 7 to 11 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:
3:31 am CST Feb 28, 2026
Forecast Valid:
4am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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