Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed W 7 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Jul 2:56 pm CDT
Extended Forecast for

3 Miles SE Ewing IL

Heat Advisory July 17, 03:45pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 17, 03:45pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am.  Low around 73. Calm wind.  Chance of precipitation is 80%.

    Low: 73 °F

    T-storms

  • Friday

    Friday: Showers and thunderstorms likely.  Partly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon.  Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92. Southwest wind 6 to 9 mph.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 76. South southwest wind around 6 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 94. West southwest wind 3 to 7 mph.

    High: 94 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 91. North northwest wind around 5 mph becoming west. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms, mainly before 1am. Low around 73. Calm wind. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 6 to 9 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. South southwest wind around 6 mph.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. West southwest wind 3 to 7 mph.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. South wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. South southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 76. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 95. South southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 97. South southwest wind 3 to 6 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Ewing IL
 38.06°N 88.82°W
3:01 pm CDT Jul 17, 2025
3pm CDT Jul 17, 2025-6pm CDT Jul 23, 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