Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

YOSEMITE VALLEY NEAR YOSEMITE VILLAGE 1NNW YYV (YYVC1)

Lat: 37.74972° N Lon: 119.58944° W Elev: 4022.0 ft.

NA

77°F

25°C

Humidity 22%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 27 Jul 09:15 PM PDT
Detailed forecast for

Yosemite NP outside of the valley

Tonight
Clear. Lows 44 to 56. Southwest winds up to 10 mph shifting to the east after midnight.
Tuesday
Sunny. Highs 67 to 79. South winds up to 5 mph shifting to the southwest 5 to 15 mph in the afternoon.
Tuesday Night
Mostly clear. Lows 43 to 55. West winds up to 10 mph with gusts to around 25 mph shifting to the east after midnight.
Wednesday
Sunny. Highs 67 to 81. Southeast winds up to 5 mph shifting to the southwest in the afternoon.
Wednesday Night
Clear. Lows 44 to 58. West winds up to 10 mph shifting to the east after midnight.
Thursday Through Friday
Clear. Highs 70 to 88. Lows 46 to 60.
Friday Night Through Saturday Night
Mostly clear. Lows 48 to 63. Highs 75 to 89.
Sunday Through Monday
Clear. Highs 75 to 89. Lows 48 to 62.



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821 PM PDT Mon Jul 27 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database