Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

78°F

26°C

Humidity 87%
Wind Speed NE 5 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 18 Jul 9:56 am CDT
Extended Forecast for

Opdyke IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 88. East northeast wind around 5 mph becoming calm  in the morning.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Partly sunny, with a high near 90. Southwest wind 3 to 8 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 76. South wind 3 to 5 mph.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 93. West southwest wind 3 to 6 mph.

    High: 93 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 74. Light southeast wind.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 93. South southwest wind 3 to 6 mph.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 76. South southeast wind 3 to 5 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms.  Sunny, with a high near 95. South southwest wind 3 to 7 mph.

    High: 95 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. East northeast wind around 5 mph becoming calm in the morning.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm in the evening.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 90. Southwest wind 3 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. South wind 3 to 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West southwest wind 3 to 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light southeast wind.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. South southwest wind 3 to 6 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southeast wind 3 to 5 mph.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 95. South southwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 96. South southwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 96. South southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Opdyke IL
 38.28°N 88.75°W
10:46 am CDT Jul 18, 2025
10am CDT Jul 18, 2025-6pm CDT Jul 24, 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