Significant Winter Storm to Affect the Pacific Coast through the Upper Midwest

A significant storm will bring high winds and heavy precipitation, including mountain snow, to portions of the western U.S. this weekend. Extremely dangerous travel is expected through passes. Confidence is increasing that this storm will then impact the central U.S. with heavy snow and strong winds to the north and severe thunderstorms with possible tornadoes and heavy rainfall to the south. Read More >

Hazardous Weather Conditions

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Current conditions at

FW0494 San Bernardino CSU SB (F0494)

Lat: 34.18383°NLon: 117.322°WElev: 1519ft.

5°C

41°F

Humidity	76%
Wind Speed	NA 0 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	1°C (34°F)
Visibility	NA
Last update	10 Dec 12:30 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

3 Miles S Crestline CA

Winter Storm Watch December 11, 06:00am until December 12, 10:00pm

Flood Watch December 11, 04:00am until December 11, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

Flood Watch

Overnight

Mostly Clear
Low: 6 °C
Saturday

Mostly Sunny
High: 12 °C
Saturday
Night

Heavy Rain
and Breezy
Low: 8 °C
Sunday

Heavy Rain
and Breezy
High: 9 °C
Sunday
Night

Rain Likely
then Chance
Rain
Low: 4 °C
Monday

Chance Rain
High: 7 °C
Monday
Night

Slight Chance
Rain then
Patchy Frost
Low: 2 °C
Tuesday

Patchy Frost
then Sunny
High: 8 °C
Tuesday
Night

Mostly Clear
Low: 3 °C

Detailed Forecast

Overnight

Mostly clear, with a low around 6. East wind around 10 km/h.

Saturday

Mostly sunny, with a high near 12. Southeast wind 10 to 15 km/h becoming south in the afternoon.

Saturday Night

Rain likely, mainly after 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 8. Breezy, with a south wind 15 to 25 km/h increasing to 25 to 35 km/h after midnight. Winds could gust as high as 55 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 cm possible.

Sunday

Rain. The rain could be heavy at times. High near 9. Breezy, with a southwest wind 30 to 35 km/h decreasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 60 km/h. Chance of precipitation is 90%. New precipitation amounts between 3 and 4 cm possible.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 4. South wind 10 to 20 km/h becoming east after midnight. Winds could gust as high as 30 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

Monday

A chance of rain, mainly before 4pm. Partly sunny, with a high near 7. Chance of precipitation is 40%.

Monday Night

A slight chance of rain before 10pm. Patchy frost after 10pm. Otherwise, partly cloudy, with a low around 2. Chance of precipitation is 20%.

Tuesday

Patchy frost before 10am. Otherwise, sunny, with a high near 8.

Tuesday Night

Mostly clear, with a low around 3.

Wednesday

Mostly sunny, with a high near 9.

Wednesday Night

Partly cloudy, with a low around 4.