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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Boulder City Municipal Airport (KBVU)

Lat: 35.9475°NLon: 114.8611°WElev: 2200.0ft.

Clear

81°F

27°C

Humidity 18%
Wind Speed NE 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Sep 04:55 AM PDT
Extended Forecast for

17 Miles ESE Boulder City NV

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 89. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 89. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 92. Calm wind becoming south southwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Boulder City NV
 35.85°N 114.6°W (Elev. 2090 ft)
Last Update:
4:21 am MST Sep 18, 2025
Forecast Valid:
5am MST Sep 18, 2025-6pm MST Sep 24, 2025
 
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