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

WAWONA (WWNC1)

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

NA

40°F

4°C

Humidity 91%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 12 Apr 12:51 AM PDT
Extended Forecast for

12 Miles SW Yosemite Valley CA

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Steady temperature around 40. South southeast wind 5 to 15 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Heavy Rain

  • Sunday

    Sunday: Snow showers. Some thunder is also possible.  High near 41. Wind chill values as low as 26. South wind 5 to 15 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow before 8pm, then rain between 8pm and 2am, then a slight chance of snow after 2am. Some thunder is also possible.  Low around 32. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm.  Mostly sunny, with a high near 45. Wind chill values as low as 32. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. West wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 40. South southeast wind 5 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Snow showers. Some thunder is also possible. High near 41. Wind chill values as low as 26. South wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow before 8pm, then rain between 8pm and 2am, then a slight chance of snow after 2am. Some thunder is also possible. Low around 32. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
A chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Mostly sunny, with a high near 45. Wind chill values as low as 32. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 34. West wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 52. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 54. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 52. 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 35. West wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 56. East northeast wind 5 to 10 mph becoming west southwest in the morning.
Friday Night
Mostly clear, with a low around 42. West wind 5 to 10 mph becoming east northeast after midnight.
Saturday
Sunny, with a high near 61. East northeast wind 5 to 10 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SW Yosemite Valley CA
 37.64°N 119.77°W (Elev. 5269 ft)
12:56 am PDT Apr 12, 2026
1am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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