Pendleton, Ore. – Eastern Oregon faces a stormy September weekend with haze Friday giving way to thunderstorms and showers Saturday afternoon. Outdoor events, including football games and travel on Interstate 84, could see delays and dangerous conditions. Residents should plan for slick roads and shifting weather through Sunday.
According to the National Weather Service, haze continues Friday with temperatures reaching 97 degrees by late afternoon. Winds remain calm until evening, then shift north. By Saturday, showers and thunderstorms may develop after 2 p.m., dropping highs to 91 degrees. Chances for storms remain 40 percent into Saturday night.
Haze will continue to affect air quality, with widespread visibility impacts Friday morning. Drivers on I-84 and regional highways should use caution, especially after sunset when conditions worsen. Football fans and weekend travelers should prepare for quick weather changes, with lightning and heavy downpours possible.
Sunday brings more scattered showers and a slight thunder chance, with highs cooling into the mid-80s. Showers continue into Monday, especially late, before conditions stabilize midweek.
Travelers should keep phones charged, monitor updated alerts, and avoid unnecessary driving during storms. Outdoor events may need last-minute adjustments.
Thunderstorm risks may ease by Tuesday, but showers remain possible into midweek. Eastern Oregon’s unsettled weather pattern will hold through at least Wednesday.
Five Day Forecast for Pendleton, Oregon
- Saturday: Chance of showers and storms after 2 p.m. High near 91.
- Sunday: Showers and storms possible. High near 86.
- Monday: Showers likely, thunder possible before 11 p.m. High near 81.
- Tuesday: Chance of showers. Partly sunny. High near 78.
- Wednesday: Showers possible. Mostly cloudy. High near 73.
