Dennis Weather

1 week ago | sierrawave.net | Dennis Mattinson |Dennis Weather

https://sierrawave.net/wp-content/uploads/2025/04/SIERRA-APR-16.wavArea Forecast DiscussionOwens Valley / Mammoth Lakes / Mono County / Death ValleyDennis Mattinson / Sierra Atmospheric ForecasterSynopsis – WED APR 16 2025Warm weather continues today. Chances of SH / TS over the mountains will start today as well, as a slow moving closed low brings light mountain snow (snow level in Mammoth ~9K feet), gusty winds and cooler temperatures, today thru Friday.

1 week ago | sierrawave.net | Dennis Mattinson |Dennis Weather

https://sierrawave.net/wp-content/uploads/2025/04/SIERRA-APR-15.wavArea Forecast DiscussionOwens Valley / Mammoth Lakes / Mono County / Death ValleyDennis Mattinson / Sierra Atmospheric ForecasterSynopsis – TUE APR 15 2025A multi day period of afternoon SH / TS (showers and thunderstorms) begins today, as warm air overlaps moisture moving in from SOCAL. So our warm weather looks to take a back seat to a slider type trough moving in over the area from the coast.

2 weeks ago | sierrawave.net | Dennis Mattinson |Dennis Weather

https://sierrawave.net/wp-content/uploads/2025/04/SIERRA-APR-11.wavArea Forecast DiscussionOwens Valley / Mammoth Lakes / Mono County / Death ValleyDennis Mattinson / Sierra Atmospheric ForecasterSynopsis – FRI APR 11 2025Temperatures peak today at 85° in Bishop. To put that in perspective, the average temp in Bishop today is 70°. After today, those temps begin to slide back to near average, as a trough will swing by just to our North, over the weekend.

3 weeks ago | sierrawave.net | Dennis Mattinson |Dennis Weather

https://sierrawave.net/wp-content/uploads/2025/04/Weather-APR-03.wavForecast DiscussionOwens Valley / Mammoth Lakes / Mono County / Death ValleyDennis Mattinson / Sierra Atmospheric ForecasterSynopsis – THU APR 03 2025A few light showers are possible in Mammoth today, otherwise we clear out and dry up. By Friday high pressure builds in thru the weekend. With that ridge, we are going to get a real good warm up over the weekend, then much warmer as next week progresses.

3 weeks ago | sierrawave.net | Dennis Mattinson |Dennis Weather

https://sierrawave.net/wp-content/uploads/2025/03/SIERRA-APR-01-.wavArea Forecast DiscussionOwens Valley / Mammoth Lakes / Mono County / Death ValleyDennis Mattinson / Sierra Atmospheric ForecasterSynopsis – TUE APR 01 2025After a stormy day yesterday in Mammoth, today snow showers are likely. Snowfall estimate today at the Main Lodge, 6 – 10 inches. For the Owens Valley today, a slight chance of showers, as the storm begins to clear the area.