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

75°F

24°C

Humidity 13%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 17 Aug 07:59 PM PDT
Extended Forecast for

28 Miles WSW Las Vegas-Henderson Airport NV

  • Tonight

    Tonight: Clear, with a low around 75. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 100. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 100 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Light and variable wind.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 102. Calm wind becoming south around 6 mph in the afternoon.

    High: 102 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 104.

    High: 104 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 84.

    Low: 84 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 106.

    High: 106 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 86.

    Low: 86 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 75. West southwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 100. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 79. Light and variable wind.
Tuesday
A 10 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 102. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 81. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 104.
Wednesday Night
Mostly clear, with a low around 84.
Thursday
A slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 106.
Thursday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 86.
Friday
A chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 106.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 86.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 103.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 84.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles WSW Las Vegas-Henderson Airport NV
 35.8°N 115.59°W (Elev. 2641 ft)
4:22 pm PDT Aug 17, 2025
8pm PDT Aug 17, 2025-6pm PDT Aug 24, 2025
 
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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