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.

Partly Cloudy

40°F

4°C

Humidity 72%
Wind Speed N 10 G 16 mph
Barometer 30.22 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 12 Mar 12:55 am CDT
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming clear, with a low around 31. North northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 52. Light west northwest wind becoming west 5 to 9 mph in the morning.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 61. Breezy, with a west wind 16 to 20 mph, with gusts as high as 29 mph.

    High: 61 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. West northwest wind 5 to 7 mph becoming east northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. East northeast wind 6 to 10 mph becoming southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 68 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 26 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely and
    Blustery

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming clear, with a low around 31. North northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 52. Light west northwest wind becoming west 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 61. Breezy, with a west wind 16 to 20 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 35. West northwest wind 5 to 7 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 63. East northeast wind 6 to 10 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 48. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 35. West northwest wind around 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 17. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 29. South southeast wind 5 to 7 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 52. South southwest wind 7 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
11:21 pm CDT Mar 11, 2026
Forecast Valid:
1am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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