National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Outbreak Of Severe Thunderstorms, Violent Tornadoes, And Heavy Rain In The Plains This Evening

An outbreak of severe thunderstorms along with strong to violent, long-tracked tornadoes continues to unfold from northwest Texas into central Oklahoma and southwest Missouri this evening. In addition to tornadoes...very large hail, damaging winds and flash flooding are also occurring. Residents should heed any warnings issued and follow local forecast office social media pages for updates. Read More >

Hazardous Weather Conditions

Current conditions at

HELL HOLE (HLLC1)

Lat: 39.069711°NLon: 120.419886°WElev: 5240ft.

NA

42°F

6°C

Humidity 75%
Wind Speed NNW 8 G 16 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 20 May 6:09 pm PDT
Extended Forecast for

Donner Summit CA

Winter Weather Advisory May 21, 12:00am until May 21, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of rain and snow showers before 11pm, then snow showers. Low around 26. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Breezy.
    Rain/Snow
    then Snow
    Showers

    Low: 26 °F

  • Tuesday

    Tuesday: Snow showers. Some thunder is also possible. High near 37. South southwest wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Snow Showers

    High: 37 °F

  • Tuesday
    Night

    Tuesday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. Southwest wind 5 to 8 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Snow Showers
    Likely then
    Chance Snow
    Showers

    Low: 27 °F

  • Wednesday

    Wednesday: A chance of snow showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 46. North northeast wind around 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Chance
    Rain/Snow

    High: 46 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 31. East northeast wind 7 to 9 mph.

    Chance
    Showers

    Low: 31 °F

  • Thursday

    Thursday: A chance of rain and snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 48. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Chance
    Rain/Snow
    then Chance
    Showers

    High: 48 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 30.

    Chance
    Showers then
    Partly Cloudy

    Low: 30 °F

  • Friday

    Friday: A chance of showers after 11am. Mostly sunny, with a high near 52.

    Chance
    Showers

    High: 52 °F

  • Friday
    Night

    Friday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 33.

    Chance
    Showers

    Low: 33 °F

Detailed Forecast

Tonight
A chance of rain and snow showers before 11pm, then snow showers. Low around 26. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Tuesday
Snow showers. Some thunder is also possible. High near 37. South southwest wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. Southwest wind 5 to 8 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 46. North northeast wind around 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 31. East northeast wind 7 to 9 mph.
Thursday
A chance of rain and snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 48. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 30.
Friday
A chance of showers after 11am. Mostly sunny, with a high near 52.
Friday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 33.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 51.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 32.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 47.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33.
Memorial Day
A chance of showers. Partly sunny, with a high near 51.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Donner Summit CA
 39.33°N 120.37°W (Elev. 6965 ft)
Last Update:
3:03 pm PDT May 20, 2019
Forecast Valid:
6pm PDT May 20, 2019-6pm PDT May 27, 2019
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation