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.

Overcast

14°F

-10°C

Humidity 69%
Wind Speed W 3 mph
Barometer 30.44 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 1 Feb 3:15 am CST
Extended Forecast for

4 Miles S Johnsonville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 5. Light northwest wind.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 29. Wind chill values as low as -2. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 29 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly between 7pm and 11pm. Mostly cloudy, with a low around 19. South southwest wind 3 to 7 mph.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. West southwest wind 3 to 6 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 35. Calm wind becoming north northeast around 6 mph in the morning.

    High: 35 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. North wind 3 to 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 29. North wind around 6 mph.

    High: 29 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Light and variable wind.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 5. Light northwest wind.
Sunday
Increasing clouds, with a high near 29. Wind chill values as low as -2. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
A 50 percent chance of snow, mainly between 7pm and 11pm. Mostly cloudy, with a low around 19. South southwest wind 3 to 7 mph.
Monday
Partly sunny, with a high near 36. West southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 24. Calm wind.
Tuesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 35. Calm wind becoming north northeast around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 17. North wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 29. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 10. Light and variable wind.
Thursday
Partly sunny, with a high near 33. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 26. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 42. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 19. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 29. North wind around 6 mph becoming east northeast 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:
3:16 am CST Feb 1, 2026
Forecast Valid:
3am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
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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