Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Light Rain

79°F

26°C

Humidity 86%
Wind Speed S 3 mph
Barometer 29.96 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 8:35 pm CDT
Extended Forecast for

Fairfield IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 93. Southwest wind 5 to 8 mph.

    High: 93 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am.  Partly cloudy, with a low around 75. Southwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 7am.  Mostly sunny, with a high near 92. West southwest wind 5 to 8 mph.  Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 89. South southwest wind 3 to 7 mph.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 74. South southwest wind 3 to 5 mph.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 5 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 75. Southwest wind around 6 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92. West southwest wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West northwest wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. South southwest wind 3 to 7 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Southwest wind 3 to 6 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind 3 to 6 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southeast wind 3 to 5 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.34°W
5:47 pm CDT Jul 15, 2025
8pm CDT Jul 15, 2025-6pm CDT Jul 22, 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