Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
81°F
27°C
| Humidity | 25% |
| Wind Speed | NW 8 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Heat Index | 79°F (26°C) |
| Last update | 26 Aug 09:59 PM PDT |
Extended Forecast for
11 Miles WSW Quartz Hill CA
Extreme Heat Warning August 26, 10:44pm until August 28, 08:00pm
Red Flag Warning August 26, 10:44pm until August 28, 03:00pm
NOW: Multiple hazards in effect

Click HERE for Details
Tonight

Low: 71 °F
Increasing
CloudsThursday

High: 93 °F
Slight Chance
T-stormsThursday Night
Low: 72 °F
Slight Chance
Showers then
Mostly CloudyFriday
High: 90 °F
Mostly Sunny
then Mostly
Sunny and
BreezyFriday Night
Low: 68 °F
Mostly Clear
and Breezy
then Mostly
ClearSaturday

High: 88 °F
Sunny
Saturday Night
Low: 61 °F
Clear and
Breezy then
ClearSunday
High: 83 °F
Sunny then
Sunny and
Breezy
Detailed Forecast
Tonight
Increasing clouds, with a low around 71. Northwest wind around 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Northwest wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 72. Northwest wind around 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 90. Breezy, with a north northwest wind 5 to 10 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 68. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 61. Breezy.
Sunday
Sunny, with a high near 83. Breezy.
Sunday Night
Clear, with a low around 56. Breezy.
Monday
Sunny, with a high near 79. Breezy.
Monday Night
A slight chance of showers. Mostly clear, with a low around 55. Breezy.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 78. Breezy.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 58.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 80.
Additional Forecasts and Information
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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)
11:26 am PDT Aug 26, 2026
10pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026



