Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Henderson (CMP10)

Lat: 36.0075°NLon: 114.96556°WElev: 2190.0ft.

NA

82°F

28°C

Humidity 19%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index80°F (27°C)
Last update 12 Aug 07:00 AM PDT
Extended Forecast for

9 Miles NW Boulder City NV

Extreme Heat Warning August 12, 10:00am until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: Sunny and hot, with a high near 111. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 111 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 88. South wind 5 to 7 mph.

    Low: 88 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 111. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 111 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 86. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 86 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 108. South wind 5 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 108 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 83.

    Low: 83 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 101.

    High: 101 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm.  Mostly clear, with a low around 81.

    Low: 81 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 11am.  Sunny, with a high near 100.

    High: 100 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 111. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Clear, with a low around 88. South wind 5 to 7 mph.
Wednesday
Sunny and hot, with a high near 111. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 86. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 108. South wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 83.
Friday
A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 101.
Friday Night
A chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 81.
Saturday
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 100.
Saturday Night
Clear, with a low around 80.
Sunday
Sunny, with a high near 101.
Sunday Night
Clear, with a low around 79.
Monday
Sunny, with a high near 103.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Boulder City NV
 36.03°N 114.96°W (Elev. 1916 ft)
4:22 am PDT Aug 12, 2025
7am PDT Aug 12, 2025-6pm PDT Aug 18, 2025
 
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Additional Resources

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