AgWeatherNet Weekly Weather Outlook for September 3 to September 9, 2016

Unseasonably Cool Weather for Labor Day Weekend

Nic Loyd, Meteorologist, 509-786-9357

For the first time in a long time, I can make the following statement unequivocally: Cooler than normal conditions are likely for at least the next five days. The month of September marks the beginning of meteorological autumn, and the climate system will agreeably reflect this seasonal shift right on schedule. As has been mentioned before, but deserves repeating, the expected temperatures are not at all unusual by historical standards, but may feel rather abnormal given the relatively hot climate of recent years. Unsettled weather is expected at times through next week, including periodic western showers and breezes. Although some folks may have been hoping for summer-like conditions for the long Holiday weekend, the weather should more closely resemble autumn, especially in the mountains. In fact, the highest peaks could see a dusting of snow at some point in the period. Since this pattern change is occurring just as summer heat typically begins to subside, the week-long cool spell will be quite noticeable. However, this event should not be historically significant, and warmer weather might be returning as soon as next weekend.

Temperatures
  • Generally cool through at least the middle of next week.
  • Possibly warmer later next week.

Precipitation
  • Mostly dry through the period in south central Washington.
  • A chance of mainly western showers at times.

Wind
  • Breezy at times through the period.

8 to 14 Day Outlook - September 10, 2016 to September 16, 2016
  • Overall, above average temperatures and below average precipitation are expected during the 8 to 14 day time frame.

Important Points about Next Weeks Weather

South Central Washington
  • Normal conditions for this time of the year would be highs in the low to mid 80s and lows in the upper 40s to mid 50s.
Weekend
  • Mostly dry.
  • Highs in the upper 60s to 70s on Saturday, and 70s to around 80 on Sunday.
  • Lows in the 40s to low 50s.
Next Week
  • Mostly dry.
  • Highs in the 70s.
  • Lows in the 40s to mid 50s.

North Central Washington
  • Normal conditions for this time of the year would be highs in the upper 70s to low 80s and lows in the low to mid 50s.
Weekend
  • Mostly dry. A slight chance of showers, especially on Saturday.
  • Highs in the upper 60s to mid 70s on Saturday, and 70s on Sunday.
  • Lows in the mid 40s to around 50 on Saturday morning, and mid 40s to low 50s on Sunday morning.
Next Week
  • Mostly dry. A slight chance of showers at times.
  • Highs in the upper 60s to 70s.
  • Lows in the mid 40s to mid 50s.

Eastern Washington
  • Normal conditions for this time of the year would be highs in the upper 70s to low 80s and lows in the upper 40s to low 50s.
Weekend
  • Mostly dry.
  • Highs in the mid 60s to mid 70s on Saturday, and upper 60s to mid 70s on Sunday.
  • Lows in the 40s on Saturday morning, and upper 30s to 40s on Sunday morning.
Next Week
  • Mostly dry. A slight chance of showers at times.
  • Highs in the upper 60s to mid 70s.
  • Lows in the 40s to around 50.

Western Washington
  • Normal conditions for this time of the year would be highs in the low to mid 70s and lows in the upper 40s to low 50s.
Weekend
  • A slight chance of showers at times.
  • Highs in the 60s to low 70s on Saturday, and mid 60s to low 70s on Sunday.
  • Lows in the upper 40s to mid 50s on Saturday morning, and mid 40s to low 50s on Sunday morning.
Next Week
  • A chance of showers at times, especially in the north.
  • Highs in the mid 60s to low 70s.
  • Lows in the mid 40s to mid 50s.
Washington State University