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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 >

Hazardous Weather Conditions

Current conditions at

WAWONA (WWNC1)

Lat: 37.53447°NLon: 119.64497°WElev: 4309.0ft.

NA

31°F

-1°C

Humidity 100%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 12 Apr 05:51 AM PDT
Extended Forecast for

13 Miles SSW Yosemite Valley CA

Winter Storm Warning April 12, 06:30am until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 12, 06:30am until April 12, 11:00pm

    NOW until 11:00pm Sun

    Winter Storm Warning

  • Today

    High: 46 °F

    Rain/Snow
    then Showers

  • Tonight

    Tonight: Rain likely before 2am, then a slight chance of rain and snow. Some thunder is also possible. Snow level 5200 feet lowering to 4400 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southeast wind around 5 mph becoming calm. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers
    Likely then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Snow level rising to 6000 feet in the afternoon. Mostly sunny, with a high near 51. Wind chill values as low as 32 early. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 51 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 33. West wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Today
Rain and snow showers, becoming all rain after 11am. Some thunder is also possible. Snow level rising to 5300 feet in the afternoon. High near 46. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain likely before 2am, then a slight chance of rain and snow. Some thunder is also possible. Snow level 5200 feet lowering to 4400 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southeast wind around 5 mph becoming calm. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
A chance of rain between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Snow level rising to 6000 feet in the afternoon. Mostly sunny, with a high near 51. Wind chill values as low as 32 early. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 33. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 57. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 34. West wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 62. East northeast wind around 5 mph becoming west southwest in the morning.
Friday Night
Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 67. East northeast wind around 5 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSW Yosemite Valley CA
 37.56°N 119.69°W (Elev. 4386 ft)
Last Update:
5:56 am PDT Apr 12, 2026
Forecast Valid:
6am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation