- Hot start until June with highs in the 70s
- Lucky to see the Northern Boreales this evening!
- No rain or significant storms in forecasts
- Could be even warmer next weekend
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PREVIEW
Despite a weak cold front that passes, Saturday ended up being a pleasant and cool day with tops in the 60s and the 1970s. PDX recorded a trace of rain and Astoria obtained 0.05 ″. It will probably be our last measurable rain for a while, because a high pressure zone is offshore in the Pacific most of this week. We are on the edge of the ridge, which means two things:
- Temperatures will remain slightly above normal, but we do not expect abnormally hot days or record heat.
- We have little or no rain in the forecasts. Most disturbances would be too low to unravel the strong strong pressure towards our West, which means that most rains / storms will remain in the rocks and in the east.
Spring summary
June 1 marks the start of meteorological summer, the Atlantic Hurricane season and the forest fire season! We started spring (March to May) with beneficial precipitation, but the last 6 to 8 weeks have been abnormally dry.
PDX ended up with 7.61 ″ of precipitation from March 1 to May 31. It is about 1.5 ″ under the normal spring. Due to the rainfall deficit, some parts of Oregon are under moderate drought last Thursday. On average, temperatures were slightly above average.
SUNDAY
Today will be another beautiful day! We will wake up with unequal clouds, mainly in the valleys and along the coast. The sun will come out at the end of the morning hours and the summits will be from the bottom of the 1970s.
Similar to Saturday, it will sometimes be windy. Beware of a strong north or northwest wind which could bring bursts as strong as 20-25 MPH this afternoon. We have no active wind alerts.
Tonight – Aurora possible
The NOAA observed a strong ejection of coronal mass of the sun recently, which means that a powerful geomagnetic storm / Aurora is possible this evening. The Space Weather prediction center forecast provides a G4 or KP8 storm tonight – which means that it is possible to see it from a dark place! The sunset tonight is at 8:53 p.m., so you have to wait until the sky is completely dark.
Expect clear conditions tonight with temperatures falling in the 1940s early on Monday.
Monday – Wednesday
The same high pressure zone continues to sit off our west, so the summits of the afternoon will be about five degrees above normal at the beginning of June. A few clouds are possible each morning, but they will be quick to disappear at the end of the morning and in the afternoon.
Thursday – Saturday
We follow a subtle trend in warming around the second half of the week. The same high pressure zone will start to move east. This means that we have a better chance of reaching the 80s Thursday from the 80s until the first part of next weekend. Again, still no rain.
Drought update
On Thursday, May 29, a moderate drought returned to certain parts of Oregon due to abnormally dry conditions. This includes 9% of the state, so there is still a lot of space to bounce back. We simply do not plan that this happens as soon as a lack of rain in the forecasts.
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