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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 >

Hazardous Weather Conditions

Current conditions at

MOUNTAIN SPRINGS (MTSN2)

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

NA

58°F

14°C

Humidity 32%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 18 Aug 01:59 AM PDT
Extended Forecast for

18 Miles SSE Mt. Charleston NV

Extreme Heat Watch August 20, 08:00am until August 23, 11:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: Clear, with a low around 62. West wind 3 to 5 mph.

    Low: 62 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. South wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. West southwest wind around 6 mph becoming light and variable after midnight.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. West southwest wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 62. West wind 3 to 5 mph.
Monday
Sunny, with a high near 88. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 66. West southwest wind around 6 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 69. West southwest wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93.
Thursday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 73.
Friday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SSE Mt. Charleston NV
 36.01°N 115.52°W (Elev. 5446 ft)
Last Update:
1:57 am PDT Aug 18, 2025
Forecast Valid:
2am PDT Aug 18, 2025-6pm PDT Aug 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