Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
48°F
9°C
| Humidity | 30% |
| Wind Speed | NNE 0 MPH |
| Barometer | NA |
| Dewpoint | 18°F (-8°C) |
| Visibility | NA |
| Last update | 03 Dec 03:59 PM PST |
Extended Forecast for
11 Miles WSW Quartz Hill CA
Wind Advisory December 3, 04:57pm until December 4, 03:00pm
NOW until 3:00pm Thu

Wind Advisory
This Afternoon

High: 54 °F
Mostly Sunny
and BreezyTonight

Low: 34 °F
Mostly Clear
and BreezyThursday

High: 54 °F
Sunny and
BreezyThursday Night

Low: 37 °F
Clear
Friday

High: 60 °F
Sunny
Friday Night

Low: 41 °F
Clear
Saturday

High: 62 °F
Sunny
Saturday Night

Low: 42 °F
Clear
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 54. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 34. Wind chill values as low as 25. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 54. Wind chill values as low as 20 early. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday Night
Clear, with a low around 37. Wind chill values as low as 30. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 60. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 63.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
11 Miles WSW Quartz Hill CA
34.63°N 118.39°W (Elev. 3228 ft)
34.63°N 118.39°W (Elev. 3228 ft)
3:27 pm PST Dec 3, 2025
4pm PST Dec 3, 2025-6pm PST Dec 9, 2025



