169 FXUS66 KOTX 292127 AFDOTX Area Forecast Discussion National Weather Service Spokane WA 227 PM PDT Mon Jun 29 2026 .KEY MESSAGES... - Thunderstorms in northeast WA and north ID Monday afternoon and evening. - Warmer and drier for the end of the week && .SYNOPSIS... Through Monday evening, scattered showers and thunderstorms are expected over north ID and northeast WA. Cooler than normal conditions continue through the week with isolated mountain shower activity. By the weekend, a ridge will build bringing temperatures back up to normal in time for the holiday weekend. && .DISCUSSION... Tonight and Tuesday: The region is being influenced by a long wave trough pattern along the Pacific coastline with a Low over central MT. Wrap around bands, from the Low, will continue to bring showers and isolated thunderstorms to portions of the region. Cape values are in the 500 plus J/KG. The best chances are North ID and Northeast WA with a 20-30% chance through 11 PM PDT. Areas from the Okanogan Valley, north of hwy 2, and to the ID/MT border have a 10-20% chance. Main impacts will gusty winds, infrequent lightning, brief heavy rain, and small hail. Outside of thunderstorms, these areas have at least a 50% probability of a tenth or greater rainfall. The threat will decrease has the Low continues to drift East overnight. Tuesday will similar to Monday but area will be drier and more stable. Early stratus clouds through the morning and clearing by the afternoon. Instability is weaker with only 200-300 J/kg of Cape along the northern mountains. An isolated thunderstorm is possible but chances are less than 15% for the afternoon and early evening. Afternoon winds will continue to breezy through the Cascades Gaps with sustained in the teens and gusts in the upper 20s and low 30s mph. Highs will be in the upper 60s and low 80s. Overnight lows will be in the 50s tonight. The drier air will cool Tuesday night with lows in the 40s. Wednesday through Friday: The trough pattern will continue through the period but a off shore High will begin to nudge into the region. It will push the moisture further North and promote a warming, drying trend through the end of the week. Clusters show a quick moving trough moving the region Friday afternoon. It brings increased thunder chances(5-10%) to the Inland Northwest. It will be something to keep an eye for the start of the upcoming holiday weekend. Any chance of precip will be over the mountains with little to no accumulation expected. Afternoon winds will continue to be breezy through the Cascade Gaps. Highs will be in the 70s to low 80s on Wednesday and upper 70s and 80s by Friday. Overnight lows will be in the 40s to low 50s. Saturday and Sunday: Weak ridging pattern begins to build into the region. It will bring a dry, warm weekend for the 4th. Sky conditions will generally cloud free. For those outdoors, remember to hydrate and prep for sunny conditions. Highs climb into the 80s and low 90s. Overnight lows will be in the 50s to low 60s. /JDC && .AVIATION... 18Z TAFs: MVFR stratus is slowly dissipating for the GEG/KSFF/COE areas. For the afternoon attention turns to scattered showers and thunderstorms developing over the northern mountains, with a 20 percent chance of thunderstorms impacting KGEG/KSFF/KCOE between 21z-04z. Thunderstorms today will be capable of producing brief downpours, small hail, and wind gusts up to 35 MPH. A combination of rain saturating the boundary layer and low level upslope will continue to promote IFR/MVFR stratus this morning at KPUW, KCOE. For KGEG/KSFF forecast leans towards VFR conditions persisting. FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence VFR conditions persist through the TAF period at KEAT/KMWH. Moderate confidence of VFR conditions at KGEG/KSFF this morning. Thunderstorms producing gusty outflow winds and brief heavy rain may result in TAF amendments this afternoon and evening at KGEG/KSFF/KCOE, but with 20% chances did not mention in the TAF for now. /JDC ----------------------- 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 51 72 49 73 48 75 / 60 40 0 0 0 0 Coeur d'Alene 50 70 50 72 49 74 / 70 60 0 0 0 0 Pullman 48 69 43 69 43 72 / 20 20 0 0 0 0 Lewiston 51 77 52 78 52 81 / 20 20 0 0 0 0 Colville 52 71 44 74 44 76 / 90 80 30 10 0 0 Sandpoint 50 67 48 71 47 72 / 90 80 10 0 0 0 Kellogg 48 68 47 71 47 72 / 70 60 0 0 0 0 Moses Lake 54 81 48 79 48 80 / 20 0 0 0 0 0 Wenatchee 58 79 54 78 54 80 / 0 0 0 0 0 0 Omak 57 79 53 79 51 80 / 60 30 30 10 10 0 && .OTX WATCHES/WARNINGS/ADVISORIES... WA...None. ID...None. && $$