Heavy Rainfall Across the Lower Mississippi Valley and Gulf Coast; Storm System Impacting the Northwest

Periods of heavy rainfall are expected across the Lower Mississippi Valley and Gulf Coast Friday. A Slight Risk (level 2 of 4) of Excessive Rainfall has been issued for portions of the Texas and Louisiana coast. A strong Pacific storm will impact the Pacific Northwest and Great Basin Friday through the weekend, bringing high elevation snow, lower elevation rain, and strong winds. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from May 4, 11:00 AM PDT until May 5, 08:00 AM PDT

Current conditions at

HELL HOLE (HLLC1)

Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.

18°C

64°F

Humidity	38%
Wind Speed	WSW 8 MPH
Barometer	NA
Dewpoint	3°C (38°F)
Visibility	NA
Last update	03 May 02:09 PM PDT

More Information:

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

Extended Forecast for

2 Miles ESE Donner Summit CA

Winter Storm Warning May 4, 11:00am until May 5, 08:00am

Click here for hazard details and duration

Winter Storm Warning

This Afternoon
High: 14 °C
Sunny
Tonight
Low: 2 °C
Increasing
Clouds
Saturday
High: 4 °C
Rain/Snow and
Windy then
Heavy Snow
and Breezy
Saturday Night
Low: -7 °C
Heavy Snow
then Chance
Snow Showers
Sunday
High: 2 °C
Slight Chance
Snow Showers
then Partly
Sunny
Sunday Night
Low: -7 °C
Partly Cloudy
Monday
High: 6 °C
Mostly Sunny
Monday Night
Low: -3 °C
Mostly Cloudy
Tuesday
High: 9 °C
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 14. West southwest wind 16 to 18 km/h.

Tonight

Increasing clouds, with a low around 2. South southwest wind 14 to 19 km/h increasing to 27 to 32 km/h after midnight. Winds could gust as high as 48 km/h.

Saturday

Rain and snow showers likely before 11am, then snow showers. The snow could be heavy at times. High near 4. Windy, with a southwest wind 43 to 48 km/h decreasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 70 km/h. Chance of precipitation is 100%. New snow accumulation of 10 to 16 centimeters possible.

Saturday Night

Snow showers, mainly before 11pm. The snow could be heavy at times. Low around -7. Southwest wind 29 to 34 km/h decreasing to 23 to 28 km/h after midnight. Winds could gust as high as 48 km/h. Chance of precipitation is 90%. New snow accumulation of 9 to 13 centimeters possible.

Sunday

A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 2. West wind 16 to 18 km/h, with gusts as high as 29 km/h.

Sunday Night

Partly cloudy, with a low around -7.

Monday

Mostly sunny, with a high near 6.

Monday Night

Mostly cloudy, with a low around -3.

Tuesday

Sunny, with a high near 9.

Tuesday Night

Mostly clear, with a low around -3.