National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Henderson City (KEHR)

Lat: 37.82°NLon: 87.68°WElev: 384ft.

Partly Cloudy

87°F

31°C

Humidity 67%
Wind Speed SW 9 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 15 Aug 8:56 am CDT
Extended Forecast for

Mount Vernon IN

Extreme Heat Warning August 15, 09:39am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 09:39am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southwest wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 110. West wind 6 to 8 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. North northwest wind 3 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Light east southeast wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 110. Southwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 76. South southwest wind around 6 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 110. West wind 6 to 8 mph.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 89. North northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 70. Light east southeast wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. North wind 7 to 10 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. North wind 6 to 9 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind 5 to 8 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IN
 37.94°N 87.86°W
Last Update:
7:01 am CDT Aug 15, 2026
Forecast Valid:
9am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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