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

46°F

8°C

Humidity 72%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 18 Nov 4:55 am CST
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 48. Southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Mostly cloudy, with a high near 65. Southeast wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Chance
    Showers then
    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 59. Light north northeast wind.

    High: 59 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Cloudy, with a high near 61. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 51. Light and variable wind. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Friday

    Friday: Showers. Mostly cloudy, with a high near 61. East northeast wind 5 to 8 mph.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 43. North northeast wind around 6 mph.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 48. Southeast wind around 9 mph, with gusts as high as 18 mph.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Mostly cloudy, with a high near 65. Southeast wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 47. Light and variable wind.
Wednesday
Cloudy, with a high near 59. Light north northeast wind.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 46. Calm wind.
Thursday
Showers likely, mainly after noon. Cloudy, with a high near 61. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 51. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers. Mostly cloudy, with a high near 61. East northeast wind 5 to 8 mph.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 43. North northeast wind around 6 mph.
Saturday
A slight chance of showers before noon. Mostly sunny, with a high near 58. North northeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 59. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 39. Light west southwest wind.
Monday
A slight chance of showers. Mostly sunny, with a high near 60. South wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
3:16 am CST Nov 18, 2025
Forecast Valid:
5am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
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Additional Resources

Radar & Satellite Image

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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