Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
89°F
32°C
| Humidity | 21% |
| Wind Speed | SW 14 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Heat Index | 85°F (29°C) |
| Last update | 09 Aug 11:59 AM PDT |
Extended Forecast for
7 Miles WSW Quartz Hill CA
Heat Advisory August 9, 12:43pm until August 9, 08:00pm
NOW until 8:00pm Sun

Heat Advisory
This Afternoon

High: 91 °F
Sunny and
BreezyTonight

Low: 73 °F
Mostly Clear
Monday

High: 86 °F
Mostly Sunny
and BreezyMonday Night
Low: 70 °F
Partly Cloudy
and Breezy
then Partly
CloudyTuesday

High: 82 °F
Mostly Sunny
and BreezyTuesday Night
Low: 66 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday

High: 78 °F
Sunny and
BreezyWednesday Night

Low: 63 °F
Partly Cloudy
and Breezy
Detailed Forecast
This Afternoon
Sunny, with a high near 91. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 86. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 70. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 82. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly clear, with a low around 66. Breezy.
Wednesday
Sunny, with a high near 78. Breezy.
Wednesday Night
Partly cloudy, with a low around 63. Breezy.
Thursday
Mostly sunny, with a high near 74. Breezy.
Thursday Night
Partly cloudy, with a low around 59. Breezy.
Friday
Mostly sunny, with a high near 74. Breezy.
Friday Night
Mostly clear, with a low around 61. Breezy.
Saturday
Sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
7 Miles WSW Quartz Hill CA
34.59°N 118.3°W (Elev. 4199 ft)
34.59°N 118.3°W (Elev. 4199 ft)
11:27 am PDT Aug 9, 2026
12pm PDT Aug 9, 2026-6pm PDT Aug 15, 2026



