Weather Forecast 6/21/07 | High Sierra Topix  

Weather Forecast 6/21/07

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Weather Forecast 6/21/07

Postby dmatt » Thu Jun 21, 2007 8:42 am

Forecast for Mammoth & the Owens Valley
Provided by Dennis Mattinson
Local Eastern Sierra Weather Forecaster
Broadcasting for the Sierra Wave 92.5 / 96.5 FM

For the first day of summer, high pressure will remain over the Desert Southwest for the short term giving us continued dry and warm conditions through Friday. Little change in temperatures through tomorrow with a slight increase of a degree of two on Friday for the Owens Valley.

Today for Bishop & the Owens Valley: Sunny skies. Daytime high temperatures in the upper 90s and evening lows in the upper 50s. South wind 05 - 10 mph in the afternoon.

Friday for Bishop & the Owens Valley: Sunny skies again and breezy. Daytime high temperatures around 99 and evening lows in the upper 50s. Southwest wind 13 - 16 mph with possible gusts to 23 in the afternoon.

Today for Mammoth & the Mono Valleys: Sunny blue skies. High temperature range low 80s for the Main Lodge and low 90s for the Mono Valleys. Low temperature range 38 - 48. Southwest wind 10 - 15 with some gusts to 25 mph in the afternoon.

Friday for Mammoth & the Mono Valleys: Mostly sunny and breezy. High temperature range upper 70s for the Main Lodge and upper 80s for the Mono Valleys. Low temperature range 40 - 50. Southwest wind 15 - 20 with gusts near 30 mph in the afternoon.

The ridge of high pressure will begin to break down on Saturday as an Eastern Pacific trough passes through the Pacific Northwest. This trough will dig far enough south to bring increased clouds and winds with lower temperatures from Saturday through Monday. Temps could drop in the High Country and the Owens Valley as much as 5 to 10 degrees. Locally breezy conditions will prevail through the weekend, with the strongest winds possible on Saturday afternoon. Things begin to warm up again by Tuesday and Wednesday. Right now there is a slight chance of some instability developing from Mammoth north on Tuesday and Wednesday. There will be a Fire Weather Watch from Friday afternoon through Saturday evening.

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