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 57%
Wind Speed S 7 mph
Barometer 29.73 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Mar 2:55 am CDT
Extended Forecast for

4 Miles SSE Johnsonville IL

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

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 4pm. High near 69. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%.

    High: 69 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Low around 24. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    Low: 24 °F

    Breezy.
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.

    High: 31 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 35. Northwest wind 6 to 8 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. South wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. South southwest wind around 6 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 21 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 4pm. High near 69. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Low around 24. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 14. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 6 to 8 mph.
Tuesday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 57. South wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 40. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 67. South southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Light and variable wind becoming north northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 71. South southeast wind 5 to 8 mph becoming west southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 65. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Johnsonville IL
 38.47°N 88.51°W
Last Update:
1:31 am CDT Mar 15, 2026
Forecast Valid:
3am CDT Mar 15, 2026-6pm CDT Mar 21, 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