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

20°F

-7°C

Humidity 69%
Wind Speed NW 9 mph
Barometer 30.38 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 30 Dec 2:55 am CST
Extended Forecast for

4 Miles S Johnsonville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 17. Northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 32. West northwest wind 7 to 9 mph becoming southwest in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Southwest wind 6 to 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. West wind 6 to 11 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind around 5 mph becoming light and variable.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 37. North wind around 5 mph becoming calm in the morning.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 44. Calm wind becoming northeast around 5 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. North northeast wind 3 to 5 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. Northwest wind around 8 mph, with gusts as high as 18 mph.
Tuesday
Increasing clouds, with a high near 32. West northwest wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 25. Southwest wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 41. West wind 6 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 24. West wind around 5 mph becoming light and variable.
New Year's Day
Mostly sunny, with a high near 37. North wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly cloudy, with a low around 27. Calm wind.
Friday
Mostly cloudy, with a high near 44. Calm wind becoming northeast around 5 mph.
Friday Night
Mostly cloudy, with a low around 26. North northeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 42. North northeast wind around 5 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 26. Calm wind.
Sunday
Mostly sunny, with a high near 48. Calm wind becoming south around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 32. Light and variable wind becoming west southwest around 6 mph in the evening.
Monday
Mostly sunny, with a high near 49. West northwest wind 5 to 7 mph.
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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 Dec 30, 2025
Forecast Valid:
3am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation