Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
64°F
18°C
| Humidity | 25% |
| Wind Speed | SSW 24 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Last update | 20 Apr 01:59 PM PDT |
Extended Forecast for
13 Miles W Quartz Hill CA
Wind Advisory April 21, 10:00am until April 21, 10:00pm
This Afternoon

High: 68 °F
Sunny and
BreezyTonight
Low: 47 °F
Partly Cloudy
and Breezy
then Partly
CloudyTuesday

High: 59 °F
Rain Likely
and BreezyTuesday Night
Low: 43 °F
Breezy. Rain
Likely then
Partly CloudyWednesday

High: 59 °F
Sunny and
BreezyWednesday Night
Low: 42 °F
Clear and
Breezy then
Mostly ClearThursday

High: 66 °F
Sunny
Thursday Night

Low: 45 °F
Partly Cloudy
Friday

High: 67 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 68. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 47. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Rain likely after 11am. Mostly cloudy, with a high near 59. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 59. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Clear, with a low around 42. Breezy.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A slight chance of rain. Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 44. Breezy.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST
Point Forecast:
13 Miles W Quartz Hill CA
34.69°N 118.44°W (Elev. 3658 ft)
34.69°N 118.44°W (Elev. 3658 ft)
12:46 pm PDT Apr 20, 2026
2pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026



