Saturday Projected High Temp for Mariposa: 100 Degrees
Saturday Projected High Temp for Oakhurst: 102 Degrees
Saturday Projected High Temp for Yosemite Valley: 102 Degrees
September 5, 2020 - The National Weather Service Hanford Office reports high temperatures throughout Central California Saturday afternoon should fall just short of tying or breaking daily records for maximum temperatures ever measured on September 5th.
An Excessive Heat Warning is in effect.
Area Forecast Discussion National Weather Service Hanford CA 251 AM PDT Sat Sep 5 2020 .SYNOPSIS... Near record heat is expected in parts of Central California this afternoon. Record heat is likely in most of the forecast area Sunday and Labor Day. A downward trend in temperatures is expected Tuesday through Thursday. Be that as it may, temperatures will remain above seasonal values. Smoke from adjacent wildfires will continue to plague Central California through at least Wednesday. && .DISCUSSION... An upper-level area of high pressure will remain centered over the Great Basin today and tonight. This anticyclone aloft will move westward Sunday and Sunday night. The upper-level area of high pressure will open up into a ridge of high pressure over California on Labor Day, before entering the Eastern Pacific Ocean Monday night. Near record heat is likely in Fresno and Hanford this afternoon. The daily records for maximum temperatures ever measured on September 5th is 105 degrees in both Fresno and Hanford. Record heat is likely in Fresno, Merced, Hanford, and Madera Sunday. The daily records for maximum temperatures ever measured on September 6th range from as "low" as 105 degrees in Hanford to as high as 108 degrees in Merced. Sunday could be the hottest day of the calender year in Bakersfield and Hanford. Record heat is likely in Fresno, Hanford, and Madera on Labor Day. The daily record for maximum temperatures ever measured on September 7th range from as "low" as 106 degrees in Hanford to as high as 108 degrees in Fresno and Madera. The brutal heat coupled with smoke impacts from wildfires in the Sequoia National Forest east of Porterville will make the outdoors unbearable this weekend into early next week. Stay indoors, if at all possible. A trough of low pressure will dive southward into the Desert Southwest Tuesday. This should cause winds to turn to the east-northeast and increase over the eastern portion of Kern County. These winds may advect a very dry airmass into the Kern County mountains, resulting in elevated or critical fire weather conditions for at least Tuesday afternoon into Tuesday night. An area of high pressure will be centered near the coast of Southern California Wednesday through Friday. Maximum temperatures Tuesday afternoon should be around five degrees lower than Monday afternoon. A downward trend in temperatures will continue Wednesday and Thursday. Regardless, high temperatures Thursday afternoon and Friday afternoon should be seven to nine degrees above normal for this time of year. Dry weather will persist through at least the next seven days.Source: NWS
