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.

Fair

90°F

32°C

Humidity 70%
Wind Speed S 6 mph
Barometer 30.04 in (1016.8 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 30 Jun 5:56 pm CDT
Extended Forecast for

Mount Vernon IN

Extreme Heat Warning June 30, 06:43pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 06:43pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 107. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. Light and variable wind.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 109. Calm wind.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Light and variable wind.

    High: 96 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Light and variable wind.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 73. South southwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Heat index values as high as 107. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 75. Light and variable wind.
Thursday
Sunny, with a high near 96. Heat index values as high as 109. Calm wind.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. Calm wind.
Independence Day
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Light and variable wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light and variable wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IN
 37.94°N 87.86°W
Last Update:
2:20 pm CDT Jun 30, 2026
Forecast Valid:
6pm CDT Jun 30, 2026-6pm CDT Jul 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation