Area Forecast Discussion
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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647 FXUS66 KOTX 232245 AFDOTX Area Forecast Discussion National Weather Service Spokane WA 345 PM PDT Sun Jun 23 2024 .SYNOPSIS... A dry cold front Today will lead to critical fire weather concerns over portions of central and eastern Washington with widespread breezy to windy conditions. This will be followed by temperatures cooling back down towards normal values by Monday. Another warm up arrives on Tuesday and Wednesday before the next weather system arrives on Thursday bringing another round of breezy and showery conditions to the region. && .DISCUSSION... Today - Red flag warnings remain in effect until 8 PM for much of central and eastern Washington this afternoon. Winds wind continue out of the west-southwest 15 to 30 mph gusting up to 40 mph. Relative humidities have still yet to bottom out east of Moses Lake but that will change as dry aloft on GOES band 10 nosing into Pend Oreille to Douglas County will continue to migrate southeast. Mountain wave clouds are slowly starting to move southeast so a degree or two of extra heating may quickly occur behind them. Tomorrow and Tuesday - We remain mild under zonal flow with highs in the upper 70s to mid 80s tomorrow. Ridging starts to build in the afternoon and evening hours tomorrow downstream a strengthening low over the Pacific. By Tuesday we are fully under the influence of the ridge with highs in the 80s and 90s. db Wednesday through Sunday: Wednesday will start a continuous pattern of lows passing through the Pacific Northwest into next weekend. It will bring moderate temperatures and increasing precip chances. The first low will be start to pass through Southern BC on Wednesday and continue east through Thursday.The precip chances will confined to the northern mountains for Wednesday. By Thursday, the Inland Northwest will be on the backside of the Low. Each afternoon, Winds will be breezy with gusts into the 30s likely. It will push the precip chances further South to include areas along Highway 2. Friday and Saturday will be break between systems. The next low will move into the region Sunday morning and bring another round of showers to the region. With moderate afternoon instability, a weak isolated thunderstorm could form. Temperatures will fluctuate with each system. Highs will be in the 80s to low 90s before the system and drop into the 70s and low 80s behind the system. Lows will be upper 40s to 50s. /JDC && .AVIATION... 00z TAFS: VFR conditions will prevail with gusty southwest/west winds weakening after 03-06z Monday. Mid-high level clouds will be common through tonight and tomorrow. FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence in VFR conditions through the TAF period. ----------------------- Confidence descriptors: Low - Less than a 30 percent chance Moderate - 30 to 70 percent chance High - Greater than a 70 percent chance For additional probabilistic information for NWS Spokane airports, please refer to the Aviation Dashboard on our webpage: https:/www.weather.gov/otx/avndashboard && .PRELIMINARY POINT TEMPS/POPS... Spokane 48 76 51 87 56 84 / 0 0 0 0 0 10 Coeur d`Alene 47 74 50 84 56 84 / 0 0 0 0 0 10 Pullman 45 74 49 85 55 82 / 0 0 0 0 0 10 Lewiston 55 81 57 95 64 92 / 0 0 0 0 0 0 Colville 40 76 44 84 49 81 / 0 0 0 0 0 30 Sandpoint 45 73 46 82 50 82 / 0 0 0 0 0 20 Kellogg 49 72 53 83 60 81 / 0 0 0 0 0 10 Moses Lake 47 82 52 92 58 87 / 0 0 0 0 0 10 Wenatchee 52 81 57 89 63 82 / 0 0 0 0 0 10 Omak 48 79 54 89 59 87 / 0 0 0 0 0 20 && .OTX WATCHES/WARNINGS/ADVISORIES... ID...None. WA...Red Flag Warning until 8 PM PDT this evening for Colville Reservation (Zone 702)-Eastern Columbia Basin -Palouse - Spokane Area (Zone 708)-Foothills of Central Washington Cascades (Zone 705)-Lower Palouse -Snake River (Zone 709)- Okanogan Valley (Zone 703)-Waterville Plateau (Zone 706)- Western Columbia Basin (Zone 707). && $$