THU SEP 28 2023 A zonal flow aloft will keep mostly typical Fall conditions today, with cool mornings, modest winds and dry conditions. Then by later Friday a cold low pressure system dropping down from the PACNW, will produce chilly, showery conditions in our Forecast Area thru the weekend. Plan on precipitation amounts 0.20 – 0.50 inches, cool daytime […]
WED SEP 27 2023 Outside of smoke from the Quarry Fire, we will continue to have seasonal temps, dry weather and light winds today and Thursday. Then a large scale trough off the PACNW coast will become the primary player in our Weather Friday into Saturday. As its cold front drops South over the Sierra and W. Nevada, temps decrease […]
TUE SEP 26 2023 The trough over the PACNW which brought gusty winds to our area yesterday, had progressed Eastward, leaving lighter winds and mostly sunny skies today thru Thursday. From Friday thru the upcoming weekend, it’s becoming more likely that we will have another system drop in, bringing unsettled weather to at least Mammoth and Mono County. This could bring our first […]
MON SEP 25 2023 Outside of some possible smoke impacts from the Quarry Fire (near Strawberry CA), a PACNW trough will bring breezy conditions along the Sierra today. Those conditions will enhance locally critical fire weather conditions. Right now the long range forecast shows a continued troughy-pattern over our area into next weekend, with cool and breezy conditions with chances of precipitation down to Yosemite NP and Mammoth Saturday. […]
RI SEP 22 2023 – WEEKEND REPORT Upper low pressure moves out of the area today, leaving cooler than normal temperatures. Many areas will have readings more typical of mid / late october, with brisk, gusty winds. Saturday / Sunday short-wave ridging moves in, rebounding temperatures to near seasonal for late Sept. The flow pattern […]
A strong cold front brings various impacts to our area, thru Thursday. Last night a few shower bands overnight in Mammoth, with snow levels above 10,00 feet. Increasing winds as well in the Owens Valley and Mammoth. Today, shower activity looks to move North, Reno / Truckee. As advertised, a radical drop in temperatures today, with Bishop 77 / 39 […]
WED SEP 20 2023 Still a few isolated t’storms possible today over Mammoth and the Sierra Crest. Then strong upper low, dropping down from the North into NE CA/NV, will bring a 30% chance of snow in the upper elevations of Mammoth late today into Thursday. Along with this, chilly overnight lows look likely Thursday night […]
TUE SEP 19 2023 A slight chance of t’storms continue today over Mammoth, Mono & Mineral County. Otherwise mostly sunny weather is on tap for our Forecast Area. After a mild day today and Wednesday, prepare for a sharp change in high temps on Thursday / Friday, as a strong, Fall-like cold front from the PACNW drops into our area. Mammoth Summit […]
MON SEP 18 2023 Over the weekend nice weather, with 86° in Bishop and 68° in Mammoth Sunday. Along with that shower and t’storm potential (20%) continued along the Crest and in Mammoth. Going into late next week, we flip-flop, with fall-like conditions, as a strong cold front drops into the Great Basin. Gusty winds will […]
FRI SEP 15 2023 – WEEKEND REPORT High pressure will bring warm and dry conditions today thru the weekend. Still a slight chance (10% – 15%) of showers & t’storms along the Crest today, particularly in Mono County. Going into next week, we will have a noticeable drop in temperatures, as our weekend rige gets flattened by a […]
THU SEP 14 2023 A weakly forced “backdoor” shortwave will bring some clouds and isolator showers (10% – 20%) over the Crest and up in Mammoth today. All-the-while high pressure builds over our Forecast Area later today into Friday, with 500 mb heights at 585 dm. So temps then run average with dry conditions through the weekend. So go out and […]
WED SEP 13 2023 Outside the chance of a few pop up showers along the Crest today, generally dry and Summer-like, as an upper ridge builds in from the West. That H5 ridge should run near 586 dm, bringing comfortable temperatures this week, just about normal for this time of year, Bishop 87° and Mammoth 67° by […]
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