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

44°F

7°C

Humidity 81%
Wind Speed NW 6 mph
Barometer 30.07 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 8 Mar 2:35 am CDT
Extended Forecast for

Fairfield IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Light west northwest wind.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 62 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind 3 to 6 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 77. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. South southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    Low: 62 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 69. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight. Partly cloudy, with a low around 33. Northwest wind 9 to 18 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Light west northwest wind.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 43. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 61. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 77. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. South southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 69. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 33. Northwest wind 9 to 18 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 50. Northwest wind 6 to 9 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 40. South wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 28 mph.
Friday
Partly sunny, with a high near 63. Southwest wind 11 to 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 38. West wind 6 to 9 mph becoming north northeast after midnight.
Saturday
Mostly sunny, with a high near 55. North northeast wind 8 to 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
12:56 am CST Mar 8, 2026
Forecast Valid:
1am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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Chance of Precipitation