Hot Weekend Ahead with Thunderstorm Threat in Central to Northeast Oregon

Today - Friday:

• A high-pressure ridge is building over the Pacific Northwest, bringing warmer temperatures through the rest of the week.

• Heat Advisories are in effect for most areas from Thursday to Saturday, except for Wallowa County and parts of the upper Washington Cascades.

• Temperatures will continue to rise, peaking on Friday with highs around 100 degrees in many areas.

Fire Risk:

• Dry and unstable conditions, especially in southern areas, could increase fire risks during this heatwave.

• A weak system moving in from the southwest could add instability and may trigger some thunderstorms, especially in central Oregon along the Cascades, Friday evening into early Saturday morning. However, the chance of this happening is low (15%).

Saturday - Sunday:

• The high-pressure ridge will begin to shift eastward, but Saturday will still be hot, with temperatures in the 90s to near 100 degrees.

• There is a slight chance (10-20%) of thunderstorms in central Oregon on Saturday, which may spread into northeast Oregon by Sunday.

• Temperatures will start to cool slightly, but it will still be warm.

Monday - Wednesday:

• The forecast becomes uncertain early next week as models disagree on how quickly an approaching trough will move into the region.

• Monday should remain dry with slightly cooler but still above-normal temperatures.

• By late Tuesday and into Wednesday, there’s a chance for cooler, showery conditions, with a possible risk of thunderstorms. However, forecast confidence is low, so keep an eye on updates as the models get more accurate .

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