Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078° N Lon: 118.41435° W Elev: 4626.0 ft.

NA

42°F

6°C

Humidity 98%
Wind Speed SW 19 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 12 Apr 08:59 AM PDT
Detailed forecast for

Western Antelope Valley Foothills

Today
Rain with a slight chance of thunderstorms in the morning, then rain likely with a slight chance of thunderstorms in the afternoon. Highs in the lower to mid 50s. Southwest winds 25 to 35 mph with gusts to 50 mph.
Tonight
Mostly cloudy with a 50 percent chance of rain in the evening, becoming partly cloudy after midnight. Lows around 40. Southwest winds 20 to 30 mph with gusts to 45 mph becoming west around 15 mph after midnight.
Monday
Sunny in the morning, becoming partly cloudy with a 20 percent chance of showers in the afternoon. Highs in the lower to mid 50s. West winds 15 to 25 mph in the afternoon.
Monday Night
Mostly clear. Lows in the lower 40s. West winds 15 to 25 mph.
Tuesday
Sunny. Highs in the upper 50s to mid 60s. West winds around 15 mph.
Tuesday Night
Clear. Lows in the lower to mid 40s.
Wednesday
Sunny. Highs in the 60s to around 70.
Wednesday Night
Mostly clear in the evening then partly cloudy. Lows in the mid 40s to around 50.
Thursday
Mostly cloudy in the morning then partly cloudy. Highs in the upper 50s and 60s.
Thursday Night
Mostly clear. Lows in the lower to mid 40s.
Friday
Sunny. Highs in the lower to mid 60s.
Friday Night
Clear. Lows in the mid 40s.
Saturday
Sunny. Highs in the mid 60s to lower 70s.



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208 AM PDT Sun Apr 12 2026
 
 

Additional Resources

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National Digital Forecast Database