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.

Thunderstorm Light Rain

27°C

81°F

Humidity 76%
Wind Speed SE 7 km/h
Barometer 29.97 in
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 13 Jul 3:35 pm CDT
Extended Forecast for

Fairfield IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm after 4pm. Steady temperature around 28. Southwest wind around 11 km/h. Chance of precipitation is 80%.

    High: 28 °C

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm. Low around 21. East southeast wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 80%.

    Low: 21 °C

    T-storms then
    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 31. Calm wind.

    High: 31 °C

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.

    Low: 22 °C

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 32. Calm wind becoming south southwest 5 to 10 km/h in the morning.

    High: 32 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Southwest wind 5 to 11 km/h.

    High: 33 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 23. South southwest wind 5 to 10 km/h.

    Low: 23 °C

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Southwest wind 8 to 13 km/h.

    High: 33 °C

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm after 4pm. Steady temperature around 28. Southwest wind around 11 km/h. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms, mainly before 10pm. Low around 21. East southeast wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 31. Calm wind.
Monday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 32. Calm wind becoming south southwest 5 to 10 km/h in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 22. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Southwest wind 5 to 11 km/h.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 23. South southwest wind 5 to 10 km/h.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Southwest wind 8 to 13 km/h.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 23. South southwest wind 5 to 10 km/h.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Southwest wind 5 to 10 km/h.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Calm wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind becoming southwest 5 to 10 km/h in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.37°W
Last Update:
2:17 pm CDT Jul 13, 2025
Forecast Valid:
3pm CDT Jul 13, 2025-6pm CDT Jul 19, 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