AgWeatherNet Weekly Weather Outlook Monday Update for May 4 to May 10, 2020

A cold front to pass Wednesday followed by quickly recovering warm temperatures

Craig Oswald, Field Meteorologist, 509-786-9256

Discussion:

The chilly overnight temperatures observed last night (Sunday night) look to trend warmer as anticipated in Fridays outlook. However, a slight hiccup in the warming trend looks to take place Wednesday night as a one more cold front looks to pass through the Pacific Northwest bringing cold overnight temperatures and widespread precipitation before a high amplitude ridge builds over the west coast. As indicated last week, this ridge looks to bring quite warm temperatures and dry weather throughout the state for the latter half of the week and through the weekend.

At the moment, several weather models indicate that the frontal passage Wednesday will bring widespread rain showers throughout most of Washington state. Due to the southwesterly nature of the flow, and high moisture air ahead of the front, rain showers capable of producing one or two tenths of an inch, possibly more in some locales, through interior portions of eastern Washington are certainly possible. Greater precipitation values can be expected along far eastern Washington and of course western Washington.

With winds expected to trend light and skies to clear through Wednesday night, as well as drier air to settle into north central and south central Washington after the passage of the cold front, a concern for overnight cold temperatures in fruit growing regions returns. These factors combined indicate that overnight lows could drop to around 30°F in the typical cold locations Wednesday night. Conditions look to rapidly warm after Wednesday night and no further concern for overnight frost is present currently. Temperatures are expected to trend warm through Thursday and Friday and remain so for the weekend as the ridge continues to persist, bringing dry and sunny conditions throughout the state. Generally, Thursday through Sunday look to be excellent days for outdoor work and outdoor activities. The only inconvenience is that slightly breezier daytime conditions are expected for the weekend. The strongest winds look to be through the Basin and Palouse with some gusts around 30mph possible during the day.


Important Points about Next Week's Weather

South Central Washington
Remainder of the Week
  • Wind: Variable and light to calm winds Tuesday. SW winds increasing Tuesday night. Windy Wednesday with winds turning W and gusts 40+ mph possible. Trending back to light and variable Wednesday night with a few breezy periods through the end of the week.
  • Precipitation: Rain showers along with a possible T-storm to move in from the SW Tuesday night. Trending dry Wednesday afternoon and remaining so for the week.
  • High Temps: Upper 70s Tuesday, upper 60s Wednesday, low 70s Thursday, near 80 Friday.
  • Low Temps: Mid 40s Monday night, low 50s Tuesday night, mid 30s Wednesday night, low 40s Thursday night.
  • Sky Cover: Partly cloudy Monday night, mostly sunny Tuesday, mostly cloudy Tuesday night, mostly sunny Wednesday, clear Wednesday night, sunny Thursday, clear Thursday night, sunny Friday.

Weekend
  • Wind: Turning generally NE Friday night and becoming breezy during the daytime hours before trending lighter during the overnights. Gusts around 30mph possible.
  • Precipitation: Dry conditions expected.
  • High Temps: Mid 80s Saturday, mid 80s Sunday.
  • Low Temps: Upper 40s Friday night, low 50s Saturday night, low 50s Sunday night.
  • Sky Cover: Sunny to mostly clear.

North Central Washington
Remainder of the Week
  • Wind: Variable and light to calm winds Tuesday. W winds increasing Tuesday night. Windy Wednesday with gusts 40+ mph possible, particularly through the Basin. Trending back to light and variable Wednesday night with a few breezy periods through the end of the week.
  • Precipitation: Rain showers along with a possible T-storm to move in from the S/SW Tuesday night. Mountain snow showers likely with snow levels near 6000ft. Trending dry Wednesday night and remaining so for the week.
  • High Temps: Low 70s Tuesday, low 60s Wednesday, near 70 Thursday, mid 70s Friday. Cooler through higher terrain.
  • Low Temps: Low 40s Monday night, mid 40s Tuesday night, upper 30s Wednesday night, low 40s Thursday night. Cooler through higher terrain.
  • Sky Cover: Partly cloudy Monday night, mostly sunny Tuesday, mostly cloudy Tuesday night, mostly cloudy Wednesday, partly cloudy Wednesday night, sunny Thursday, mostly clear Thursday night, sunny Friday.

Weekend
  • Wind: Turning generally E/NE Friday night and becoming breezy during the daytime hours before trending lighter during the overnights. Gusts around 30mph possible through the Basin.
  • Precipitation: Dry conditions expected.
  • High Temps: Upper 70s Saturday, upper 70s Sunday. Cooler through higher terrain.
  • Low Temps: Mid 40s Friday night, upper 40s Saturday night, upper 40s Sunday night. Cooler through higher terrain.
  • Sky Cover: Sunny to partly cloudy.

Eastern Washington
Remainder of the Week
  • Wind: Variable and light to calm winds Tuesday. SW winds increasing Tuesday night. Windy Wednesday with winds turning W and gusts 40+ mph possible. Trending back to light and variable Wednesday night with a few breezy periods through the end of the week.
  • Precipitation: Widespread rain showers along with a possible T-storm to move in from the SW Tuesday night. Trending dry Wednesday evening and remaining so for the week.
  • High Temps: Upper 60s Tuesday, mid 50s Wednesday, low 60s Thursday, near 70 Friday.
  • Low Temps: Low 40s Monday night, mid 40s Tuesday night, mid 30s Wednesday night, upper 30s Thursday night.
  • Sky Cover: Mostly clear Monday night, mostly sunny Tuesday, partly cloudy Tuesday night, cloudy Wednesday, partly cloudy Wednesday night, sunny Thursday, clear Thursday night, sunny Friday.

Weekend
  • Wind: Turning generally NE Friday night and becoming breezy during the daytime hours before trending lighter during the overnights. Gusts around 30mph possible.
  • Precipitation: Dry conditions expected.
  • High Temps: Low 70s Saturday, mid 70s Sunday.
  • Low Temps: Low 40s Friday night, mid 40s Saturday night, upper 40s Sunday night.
  • Sky Cover: Sunny to mostly clear.

Western Washington
Remainder of the Week
  • Wind: Variable and light to calm winds Tuesday. W/SW winds increasing Tuesday night. Breezy Wednesday. Trending back to light and variable Wednesday night with a few breezy periods through the end of the week.
  • Precipitation: Scattered rain showers trending less active through Tuesday. Another round of rain showers and mountain snow showers to enter from the W/SW Tuesday night. Snow levels likely near 5000ft Wednesday. Becoming dry through Wednesday night and remaining so for the week.
  • High Temps: Upper 60s Tuesday, low 60s Wednesday, upper 60s Thursday, upper 70s Friday. Much cooler through the Cascades and Olympics.
  • Low Temps: Low 40s Monday night, mid 40s Tuesday night, mid 30s Wednesday night, low 40s Thursday night. Much cooler through the Cascades and Olympics.
  • Sky Cover: Mostly cloudy Monday night, mostly sunny Tuesday, mostly cloudy Tuesday night, cloudy Wednesday, mostly clear Wednesday night, sunny Thursday, clear Thursday night, sunny Friday. Patchy fog at times during the overnight on Mon/Tue/Wed.

Weekend
  • Wind: Turning generally NE Friday night yet remaining variable. Becoming breezier during the daytime hours before trending lighter during the overnights.
  • Precipitation: Dry conditions expected.
  • High Temps: Low 70s Saturday, mid 70s Sunday. Much cooler through the Cascades and Olympics.
  • Low Temps: Low 40s Friday night, mid 40s Saturday night, upper 40s Sunday night. Much cooler through the Cascades and Olympics.
  • Sky Cover: Sunny to mostly clear.

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