Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
42°F
6°C
| Humidity | 99% |
| Wind Speed | SSW 16 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Wind Chill | 34°F (1°C) |
| Last update | 25 Dec 09:59 AM PST |
Extended Forecast for
11 Miles WSW Quartz Hill CA
Flood Watch December 25, 10:42am until December 26, 04:00pm
High Wind Warning December 25, 10:42am until December 25, 03:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 49 °F
Showers and
WindyTonight
Low: 46 °F
Showers and
BreezyFriday
High: 49 °F
Showers and
BreezyFriday Night
Low: 38 °F
Showers
Likely then
Chance
ShowersSaturday
High: 48 °F
Slight Chance
ShowersSaturday Night
Low: 36 °F
Mostly Clear
Sunday
High: 48 °F
Sunny and
BreezySunday Night
Low: 37 °F
Mostly Clear
and Breezy
Detailed Forecast
Christmas Day
Showers and possibly a thunderstorm. High near 49. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers. Low around 46. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
Showers. High near 49. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 38. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 48. Breezy.
Sunday Night
Mostly clear, with a low around 37. Breezy.
Monday
Sunny, with a high near 50. Breezy.
Monday Night
Mostly clear, with a low around 40. Breezy.
Tuesday
Mostly sunny, with a high near 53. Breezy.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 41.
Wednesday
A chance of showers. Partly sunny, with a high near 54.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
6:57 am PST Dec 25, 2025
10am PST Dec 25, 2025-6pm PST Dec 31, 2025
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