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.

Fog/Mist

50°F

10°C

Humidity 92%
Wind Speed E 7 mph
Barometer 30.06 in
Dewpoint 48°F (9°C)
Visibility 2.50 mi
Wind Chill47°F (8°C)
Last update 20 Nov 12:35 pm CST
Extended Forecast for

Fairfield IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Cloudy, with a high near 54. Southeast wind around 6 mph becoming calm.

    High: 54 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers. Patchy fog after 7pm. Low around 51. Calm wind. Chance of precipitation is 90%.

    Low: 51 °F

    Showers
    Likely and
    Patchy Fog
    then Showers
    and Areas Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 3pm. High near 65. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 100%.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. North northeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 58. North northeast wind 3 to 6 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Calm wind becoming southwest around 5 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 59. Calm wind becoming east southeast 5 to 7 mph in the morning.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Cloudy, with a high near 54. Southeast wind around 6 mph becoming calm.
Tonight
Showers. Patchy fog after 7pm. Low around 51. Calm wind. Chance of precipitation is 90%.
Friday
Showers, with thunderstorms also possible after 3pm. High near 65. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. North northeast wind around 6 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 58. North northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 61. Calm wind becoming southwest around 5 mph.
Sunday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 40. Calm wind.
Monday
A chance of showers. Mostly cloudy, with a high near 59. Calm wind becoming east southeast 5 to 7 mph in the morning.
Monday Night
Showers. Mostly cloudy, with a low around 48. Southeast wind 5 to 7 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 61. South wind 7 to 10 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 41. West wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 53. West northwest wind 6 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:
9:56 am CST Nov 20, 2025
Forecast Valid:
12pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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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