Wind advisory for the Columbia Basin Tuesday afternoon

Rain showers were observed in the Columbia Basin early Tuesday as a disturbance passed through the Pacific Northwest. Most of the lowland precipitation has ended, though some showers remain possible into the daytime hours with the highest chance of these being along the Blue Mountains and northeast toward Ritzville. A few rumbles of thunder are […]

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Wind advisory for Hanford and Blue Mountain Foothills Monday

A warm front is passing over the Columbia Basin during the day Sunday to bring some rain showers and warmer temperatures. Rain showers are also possible Monday around the region with the highest chance being in the mountains. Look for breezy conditions with winds forecasted to get high enough on the Hanford Site and along […]

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Winter making a return with cooler weather expected for the Tri-Cities next week

Afternoon highs in the Tri-Cities have been running above average for the last several days in the Columbia Basin with some places even approaching 70° late last week. These mild conditions are likely to come to an end with a strong upper level trough diving south out of Canada and into the Pacific Northwest. While […]

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Low pressure in Saskatchewan, high pressure over the Pacific, breezy for the Tri-Cities Saturday

An active weather pattern is expected to continue into the weekend. The Inland Northwest isn’t likely to see much in the way of precipitation as a ridge of high pressure off the Pacific Northwest puses weather systems up into Alaska and down the east side of the Rocky Mountains, dropping most of their moisture before […]

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Exceptional drought conditions observed in Washington for the first time

Drought conditions in Washington for July 13, 2021. (Source: NDMC)

The drought gripping the Western United States continues to worsen in Eastern Washington. In this week’s update of the U.S. Drought Monitor, exceptional drought (level 4/4) was noted as stretching from the northern end of Rattlesnake Mountain to Sprague Lake, which lies between Ritzville and Spokane. A small sliver of exceptional drought conditions also reaches […]

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All-time records may fall in the Columbia Basin with the upcoming heatwave

An unusually strong area of high pressure is forecast to build over the Pacific Northwest during the next several days. The drought in place across much of the West (including the Columbia Basin) also adds a little to what temperatures the region may see. With soil moisture values low, there is little if any water […]

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Columbia Basin now experiencing extreme drought

Source: National Drought Mitigation Center.

The National Drought Mitigation Center updates their Drought Monitor every Thursday, outlining the geographic details of drought conditions throughout North America. In today’s update, the extreme drought category was expanded to include much of Eastern Washington from the Tri-Cities northeast toward the Spokane area. Previously, only small sections near Prosser and Waitsburg were seeing extreme […]

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Record highs in the Columbia Basin Wednesday, fire weather watch Friday with cool down expected

The Tri-Cities Airport observed its first 100 degree reading Wednesday afternoon thanks to this early June heatwave, leading to a new record. The preliminary high temperature was 104°, beating the old record of 103° set in 1986. A heat advisory remains in effect for the Columbia Basin until 20:00 Thursday with upper 90s likely for […]

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Heat advisory for the Columbia Basin extended to Thursday

Early Monday morning, the National Weather Service issued a heat advisory for the Columbia Basin. That advisory will still start at 11:00 Tuesday but now extends to 20:00 Thursday. It includes the Tri-Cities, Yakima, Walla Walla, Hermiston, and surrounding areas. FORECAST This heatwave comes just in time for the start of meteorological summer, which begins […]

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Widespread flood event not expected with lowland thaw

The lowlands of the Inland Northwest should lose much of their snow this week as high temperatures slowly rise into the 40s. While some flooding may occur in small streams and low lying areas, larger rivers like the Umatilla, Walla Walla, and Yakima are forecast to remain below flood stage. The snow certainly is deep, […]

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