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

Paducah, Barkley Regional Airport (KPAH)

Lat: 37.06°NLon: 88.77°WElev: 410ft.

Fair

88°F

31°C

Humidity 70%
Wind Speed Vrbl 5 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Jul 10:53 am CDT
Extended Forecast for

New Grand Chain IL

Heat Advisory July 17, 12:00pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm.  Partly sunny, with a high near 91. Heat index values as high as 105. Southwest wind around 6 mph becoming north northwest in the afternoon.  Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 89. Light south wind.  Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 91. Southwest wind 5 to 7 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Light south southwest wind.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 92. Southwest wind 3 to 5 mph.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the morning.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 91. Heat index values as high as 105. Southwest wind around 6 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light and variable wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 89. Light south wind. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Southwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 76. Light south southwest wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 5 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 77. Light south wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 95. South southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 77. Light south wind.
Wednesday
Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
New Grand Chain IL
 37.25°N 89.03°W
10:17 am CDT Jul 17, 2025
11am CDT Jul 17, 2025-6pm CDT Jul 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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