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

56°F

13°C

Humidity 38%
Wind Speed E 12 mph
Barometer 30.10 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Mar 12:55 pm CDT
Extended Forecast for

4 Miles S Johnsonville IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Southeast wind around 11 mph, with gusts as high as 18 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. East southeast wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    High: 70 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 24. Breezy, with a south wind 20 to 23 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%.

    Low: 24 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.

    High: 30 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. West northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 34. West wind 6 to 8 mph.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 26. Light south southwest wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 22 mph.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. South wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Southeast wind around 11 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 51. East southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 24. Breezy, with a south wind 20 to 23 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 13. West northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 34. West wind 6 to 8 mph.
Tuesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 26. Light south southwest wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 22 mph.
Wednesday
Partly sunny, with a high near 57. South wind 13 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 39. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 68. South southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 46. South southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 68. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Johnsonville IL
 38.45°N 88.54°W
Last Update:
11:46 am CDT Mar 14, 2026
Forecast Valid:
1pm CDT Mar 14, 2026-6pm CDT Mar 20, 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