Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
53°F
12°C
| Humidity | 98% |
| Wind Speed | SSW 23 MPH |
| Barometer | NA |
| Dewpoint | 52°F (11°C) |
| Visibility | NA |
| Last update | 11 Oct 09:59 AM PDT |
Extended Forecast for
6 Miles WSW Quartz Hill CA
Wind Advisory until October 12, 05:00am
NOW until 5:00am Mon
Wind Advisory
Today
High: 62 °F
Windy.
Showers then
Chance
ShowersTonight

Low: 51 °F
Showers
Likely and
WindyColumbus Day

High: 52 °F
Showers
Likely and
BreezyMonday Night
Low: 46 °F
Partly Cloudy
and Breezy
then Mostly
ClearTuesday

High: 61 °F
Sunny
Tuesday Night

Low: 49 °F
Clear
Wednesday
High: 67 °F
Sunny and
Breezy then
SunnyWednesday Night

Low: 52 °F
Clear and
Breezy
Detailed Forecast
Today
Showers, mainly before 11am. High near 62. Windy, with a northwest wind 10 to 20 mph becoming south southwest 20 to 30 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 51. Windy, with a south southwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers likely. Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 46. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 61. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 67. Breezy.
Wednesday Night
Clear, with a low around 52. Breezy.
Thursday
Sunny, with a high near 71. Windy.
Thursday Night
Clear, with a low around 57. Windy.
Friday
Sunny, with a high near 72. Windy.
Friday Night
Clear, with a low around 58. Windy.
Saturday
Sunny, with a high near 74. Windy.
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ABOUT THIS FORECAST
Point Forecast:
6 Miles WSW Quartz Hill CA
34.62°N 118.31°W (Elev. 3599 ft)
34.62°N 118.31°W (Elev. 3599 ft)
11:16 pm PDT Oct 10, 2026
10am PDT Oct 11, 2026-6pm PDT Oct 17, 2026



