781 FXUS65 KREV 070927 AFDREV Area Forecast Discussion National Weather Service Reno NV 227 AM PDT Mon Jul 7 2025 .KEY MESSAGES... * Afternoon clouds with isolated showers across Lassen and northern Washoe counties today. * Gusty afternoon winds and dry conditions could produce areas of elevated fire concerns on Wednesday. * High pressure strengthens this weekend with western Nevada valleys nearing the 100 degree mark this weekend. && .DISCUSSION... Seasonable heat continues this afternoon as western Nevada valleys warm into the mid-upper 90s this afternoon while Sierra communities heat to the mid-80s. A stationary low off the central CA coast may allow for enough instablilty to develop afternoon cumulus build-ups and a 10-15% chance of showers across Lassen County into far NW Nevada this afternoon. In addition, southeasterly winds and dry conditions could yield localized and short duration periods of critical fire weather conditions across the southern extents of Mono and Mineral counties this afternoon. Late afternoon zephyrs will turn winds back out of the west each afternoon. Wednesday could see breezier conditions with gusts of 25-30 mph. These winds combined with single digit afternoon RH could produce elevated fire weather concerns across portions of western Nevada. While temperatures will drop back into the lower 90s by mid-week, the reprieve will be short as high pressure amplifies across the western U.S. This will shoot temperatures back into the upper 90s to near the 100 degree mark across western Nevada this weekend with upper 80s to near 90 for Sierra valleys. Overall Saturday could be our first shot at the 100 degree mark in Reno this year. Be sure to take the heat into consideration for any plans next weekend as widespread moderate HeatRisk is expected. Fuentes && .AVIATION... VFR conditions will prevail today with 10-15% chance of isolated showers from KSVE northward into the Oregon border this afternoon. Afternoon temperatures in the upper 90s may present some density altitude issues for western Nevada terminals this afternoon, particularly at KHTH-KNFL-KLOL. Salas/Fuentes && .REV Watches/Warnings/Advisories... NV...None. CA...None. && $$