Pendleton, OR Weather: Heavy Rain and Thunderstorms Likely Through Sunday Night

Thunderstorms and gusty winds are expected to impact Umatilla County, including Pendleton, this Sunday, potentially disrupting travel and outdoor activities. However, clear skies and mild temperatures are forecast to return early next week, bringing relief after a soggy weekend.

Sunday: Showers and Thunderstorms

The National Weather Service in Pendleton has forecasted showers throughout Sunday, with thunderstorms likely between 2 p.m. and 5 p.m. Some of these storms may bring wind gusts up to 25 mph, along with brief heavy rainfall. However, most areas will see less than a quarter inch of rain.

The thunderstorms may cause localized downpours, making roadways slick, particularly on Interstate 84 and Highway 11. Pendleton and nearby rural areas are expected to experience the heaviest showers. Evening plans could also be affected as scattered showers may linger late into Sunday night.

Monday: Clear Skies and Calmer Winds

By Monday, the weather is expected to improve significantly. The storms will have moved out, and skies will clear up with high temperatures reaching the mid-70s. Winds will calm down, offering a much-needed break from the gusty conditions of the weekend.

A Warming Trend Midweek

Looking ahead to the rest of the week, a warming trend is expected to take hold. On Tuesday, highs will climb into the low 80s, and by Wednesday, temperatures are expected to reach around 84°F. The nights will remain cool, with temperatures dropping into the upper 40s to low 50s, providing pleasant, crisp evenings.

Five-Day Forecast for Pendleton, OR

Sunshine Returns by Monday

While thunderstorms and gusty winds are expected to cause some disruptions in Pendleton on Sunday, the weather will improve quickly by Monday. A stretch of dry, sunny weather will bring pleasant conditions for the rest of the week.

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