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

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Hazardous Weather Conditions

Current conditions at

YUCCA VALLEY (UCCC1)

Lat: 34.12408°NLon: 116.40883°WElev: 3246.0ft.

NA

85°F

29°C

Humidity 31%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index83°F (28°C)
Last update 17 Aug 07:56 AM PDT
Extended Forecast for

Joshua Tree CA

Extreme Heat Warning August 18, 10:00am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Sunny, with a high near 103. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 103 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 81. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 81 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 104. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 104 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 81 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 104. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 104 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 82.

    Low: 82 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 104.

    High: 104 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 82.

    Low: 82 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 103.

    High: 103 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 103. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 81. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 104. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 104. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 82.
Thursday
Sunny, with a high near 104.
Thursday Night
Mostly clear, with a low around 82.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 103.
Friday Night
Partly cloudy, with a low around 81.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 102.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Sunday
Mostly sunny, with a high near 101.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joshua Tree CA
 34.14°N 116.3°W (Elev. 2700 ft)
Last Update:
2:31 am PDT Aug 17, 2026
Forecast Valid:
8am PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation