Mark Ingalls

The warmest day of the week was able to produce record highs in the Tri-Cities and Walla Walla on March 19. Additionally, Hermiston tied their existing record for that date. Low elevation spots on the Hanford […]

Tuesday is likely to be the warmest day of this weather pattern for the Columbia Basin with the Tri-Cities reaching into the upper-70s (26°C). Temperatures in some areas west of the Cascades peaked on Monday. […]

Upper level ridging continues to dominate conditions throughout the Pacific Northwest. This has produced highs above 70°F (21°C) in many lowland locations over the weekend. Quillayute, near Forks on the O […]

Friday brought Portland’s first afternoon with temperatures above 70°F (21°C) for 2024 with a high of 71°F (22°C) at Portland International Airport. Numerous other stations throughout lowland areas of Weste […]

The comet designated as 12P/Pons-Brooks will reach its closest point to the Sun on April 21, 2024 as part of its 71-year orbit. During this event, the absolute magnitude is expected to reach 4.5 to 5.0 making it […]

An uptick in earthquake activity is being observed along the Oregon-Nevada border between Lakeview and Steens Mountain. For the 30 day period ending 12:00 PDT March 12, 29 earthquakes were located in this area. […]

Leftover moisture and cold air aloft will be enough for scattered showers and isolated t-storms throughout the Pacific Northwest on Tuesday. These storms will be more widespread along and west of the Cascades and […]

The third system in a train that started late last week is forecast to reach the Pacific Northwest during the day Monday. High clouds from this are already reaching the Interstate 5 corridor as of 07:00. Rainfall […]

Strong El Niño conditions were observed over the winter of 2023-24, leading to long lasting periods of split flow in the jet stream aimed at Western North America. This is a typical El Niño pattern, where the n […]

Much of the Northwest is enjoying a break in precipitation after persistent regional storms and post-frontal showers. A low pressure system heading for Alaska will bring that to an end from north to south with the […]

A prolonged pattern of upper level troughing and repeated regional storm systems have added quite a bit of snow to mountains of the Pacific Northwest over the past week. As of the end of the day on March 4, the […]

The Sierra Nevada mountains of California and Nevada are experiencing a rare extreme blizzard this weekend with incredible amounts of snow and strong winds forecast through Sunday including major travel corridors […]

Some drizzle was observed in the Tri-Cities area Thursday and Friday as a low pressure system worked its way through the region. That low is on its way east to bring some snow to the Plains and Canadian Prairies […]

On March 5, 2024, the National Weather Service office in Portland is issuing an update to the geography of their public forecast zones. These are the preset boundaries they use to issue a number of their weather […]

Seasonally warm temperatures being observed in the Pacific Northwest Friday and Saturday will draw to a close on Sunday when an upper level trough is forecast to turn the upper level wind pattern more […]

A line of strong storms associated with a low pressure system crossing California and a cold front moving down the coast on Wednesday afternoon produced two tornadoes in San Luis Obispo County just before 16:00. […]

The newest phase of the eruption near Grindavík, Iceland resumed on February 8 with lava erupting to the east of the Svartsengi power station southwest of the nation’s capital, Reykjavík. This is close to the sit […]

A low pressure system moving toward California is forecast to bring a broad swath of weather hazards to the region through Tuesday. Most notably, the path of the low as it moves toward San Francisco and then […]

The next Pacific storm is forecast to start bringing precipitation to the Columbia Basin and Yakima Valley late in the day Tuesday. A few light snow showers are possible as early as 17:00 but the main show begins […]