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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Current conditions at

ACTON (ATNC1)

Lat: 34.446389° N Lon: 118.1968° W Elev: 2600 ft.

NA

97°F

36°C

Humidity 21%
Wind Speed WSW 10 G 17 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index94°F (34°C)
Last update 27 Jul 12:54 pm PDT
Detailed forecast for

Los Angeles County Mountains excluding the Santa Monica Range

Today
Sunny. Highs from 90 to 100 at low elevations to the upper 70s to mid 80s at high elevations. Northwest winds 10 to 20 mph shifting to the southwest in the afternoon.
Tonight
Mostly clear. Lows from the upper 60s to mid 70s at low elevations to the upper 50s to mid 60s in colder valleys and peaks. West winds 10 to 20 mph.
Friday
Sunny. Highs from the upper 80s and 90s at low elevations to the upper 70s to mid 80s at high elevations. Southwest winds 15 to 25 mph in the afternoon.
Friday Night
Mostly clear. Lows from the upper 60s to mid 70s at low elevations to the lower to mid 60s in colder valleys and peaks. Southwest winds 15 to 25 mph in the evening.
Saturday
Sunny in the morning then partly cloudy. Highs from the upper 80s to mid 90s at low elevations to the upper 70s to mid 80s at high elevations. Southwest winds 15 to 25 mph in the afternoon.
Saturday Night
Partly cloudy. Lows from the upper 60s to mid 70s at low elevations to the lower to mid 60s in colder valleys and peaks.
Sunday
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs from the upper 80s and 90s at low elevations to the upper 70s to mid 80s at high elevations.
Sunday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows from the upper 60s to mid 70s at low elevations to the upper 50s to mid 60s in colder valleys and peaks.
Monday
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs from 90 to 100 at low elevations to the upper 70s to mid 80s at high elevations.
Monday Night
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the 60s to around 70.
Tuesday
Partly cloudy with a slight chance of showers and thunderstorms. Highs from 91 to 101 at low elevations to the lower to mid 80s at high elevations.
Tuesday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows from the mid 60s to lower 70s at low elevations to the upper 50s to mid 60s in colder valleys and peaks.
Wednesday
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs from 90 to 100 at low elevations to the upper 70s to mid 80s at high elevations.



Click Map For Forecast
337 AM PDT Thu Jul 27 2017
 
 

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