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 49%
Wind Speed E 9 mph
Barometer 29.88 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Mar 8:55 pm CDT
Extended Forecast for

Fairfield IL

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

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 55. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 40%.

    High: 70 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 10pm, then rain, possibly mixed with snow showers between 10pm and 1am, then a slight chance of snow showers after 1am. Some thunder is also possible. Low around 24. Breezy, with a west wind around 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 38 mph.

    High: 30 °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. West northwest wind 5 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 28. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. South wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. South southwest wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a steady temperature around 55. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 40%.
Sunday Night
Rain showers before 10pm, then rain, possibly mixed with snow showers between 10pm and 1am, then a slight chance of snow showers after 1am. Some thunder is also possible. Low around 24. Breezy, with a west wind around 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 38 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. West northwest wind 5 to 8 mph.
Tuesday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 57. South wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 39. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 68. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 45. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 70. South southwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 47. West wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 73. West northwest wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
9:06 pm CDT Mar 14, 2026
Forecast Valid:
9pm CDT Mar 14, 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