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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

MOUNTAIN SPRINGS (MTSN2)

Lat: 36.02225°NLon: 115.5075°WElev: 5600.0ft.

NA

66°F

19°C

Humidity 21%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 17 Aug 09:59 PM PDT
Extended Forecast for

20 Miles WSW Las Vegas-Henderson Airport NV

  • Tonight

    Tonight: Clear, with a low around 69. Southwest wind around 6 mph becoming calm after midnight.

    Low: 69 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Calm wind becoming south 5 to 8 mph in the morning.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 100.

    High: 100 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 79.

    Low: 79 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 69. Southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 95. Calm wind becoming south southeast 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 74. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
A 10 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 76. Southwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 100.
Thursday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 79.
Friday
A chance of showers and thunderstorms after 11am. Partly sunny, with a high near 101.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 97.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles WSW Las Vegas-Henderson Airport NV
 35.84°N 115.43°W (Elev. 3793 ft)
Last Update:
10:22 pm PDT Aug 17, 2025
Forecast Valid:
10pm PDT Aug 17, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation