Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

24°F

-4°C

Humidity 82%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 27 Apr 04:00 AM PDT
Extended Forecast for

16 Miles SSW Leavitt Meadows CA

  • Overnight

    Overnight: A 40 percent chance of snow.  Mostly cloudy, with a low around 20. Calm wind.  Total nighttime snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before 11am, then snow showers likely after 11am. Some thunder is also possible.  Mostly cloudy and cold, with a high near 32. Wind chill values as low as 20. Light and variable wind becoming west southwest 5 to 10 mph in the morning.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 19. Wind chill values as low as 11. West wind 5 to 10 mph becoming east northeast after midnight.  New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: A chance of snow between 11am and 2pm, then a chance of snow showers after 2pm. Some thunder is also possible.  Mostly sunny, with a high near 41. Wind chill values as low as 8. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West southwest wind 5 to 10 mph becoming east northeast after midnight.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. East northeast wind 5 to 10 mph becoming west southwest in the morning.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Some thunder is also possible.  Sunny, with a high near 50. Northeast wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 10%.

    High: 50 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. West northwest wind around 10 mph becoming northeast in the evening. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 20. Calm wind. Total nighttime snow accumulation of less than one inch possible.
Monday
A chance of snow before 11am, then snow showers likely after 11am. Some thunder is also possible. Mostly cloudy and cold, with a high near 32. Wind chill values as low as 20. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 19. Wind chill values as low as 11. West wind 5 to 10 mph becoming east northeast after midnight. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow between 11am and 2pm, then a chance of snow showers after 2pm. Some thunder is also possible. Mostly sunny, with a high near 41. Wind chill values as low as 8. East northeast wind 5 to 10 mph becoming west southwest in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
Mostly clear, with a low around 24. West southwest wind 5 to 10 mph becoming east northeast after midnight.
Wednesday
Mostly sunny, with a high near 46. East northeast wind 5 to 10 mph becoming west southwest in the morning.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Some thunder is also possible. Sunny, with a high near 50. Northeast wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 29. West northwest wind around 10 mph becoming northeast in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 54. Northeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 32. West wind 5 to 15 mph becoming east in the evening. Winds could gust as high as 20 mph.
Saturday
A 10 percent chance of showers. Snow level 9000 feet rising to 9700 feet in the afternoon. Mostly sunny, with a high near 53. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
A slight chance of rain showers and snow. Some thunder is also possible. Snow level 9800 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 31. Southwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Sunday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 48. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSW Leavitt Meadows CA
 38.09°N 119.62°W (Elev. 8953 ft)
3:56 am PDT Apr 27, 2026
4am PDT Apr 27, 2026-6pm PDT May 3, 2026
 
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Additional Resources

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