Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

NA

20°F

-7°C

Humidity 89%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 12 Apr 04:00 AM PDT
Extended Forecast for

18 Miles WNW Tioga Pass CA

Winter Storm Warning April 12, 04:48am until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 12, 04:48am until April 12, 11:00pm

    NOW until 11:00pm Sun

    Winter Storm Warning

  • Overnight

    Low: 18 °F

    Heavy Snow
    and Breezy

  • Sunday

    Sunday: Snow showers. The snow could be heavy at times. Some thunder is also possible.  High near 20. Wind chill values as low as 1. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

    High: 20 °F

    Heavy Snow
    and Breezy

  • Sunday Night

    Sunday Night: Snow showers before 8pm, then snow, mainly between 8pm and 11pm. The snow could be heavy at times. Some thunder is also possible.  Low around 13. Wind chill values as low as 4. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 13 °F

    Heavy Snow
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after 11am.  Partly sunny and cold, with a high near 25. Wind chill values as low as 5. South southeast wind 5 to 10 mph becoming west in the morning.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 14. West wind 5 to 10 mph becoming east after midnight.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and cold, with a high near 30. East southeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 30 °F

    Cold

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. South wind 5 to 10 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 18. Wind chill values as low as 1. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 12 to 18 inches possible.
Sunday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 20. Wind chill values as low as 1. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.
Sunday Night
Snow showers before 8pm, then snow, mainly between 8pm and 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 13. Wind chill values as low as 4. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday
Snow likely, mainly after 11am. Partly sunny and cold, with a high near 25. Wind chill values as low as 5. South southeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 14. West wind 5 to 10 mph becoming east after midnight.
Tuesday
Sunny and cold, with a high near 30. East southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 20. South wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 33. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A chance of snow before 11am, then a chance of snow showers after 11am. Some thunder is also possible. Partly sunny and cold, with a high near 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 14. West wind around 15 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 34. East northeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 21. West southwest wind around 10 mph becoming east northeast in the evening.
Saturday
Mostly sunny, with a high near 39. East southeast wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles WNW Tioga Pass CA
 38.03°N 119.54°W (Elev. 10105 ft)
3:56 am PDT Apr 12, 2026
4am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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