Tomorrow is forecast to be Much Cooler than today.
Forecast for Foothills of the Blue Mountains
Updated: 3:00 PM PDT on July 5, 2009
Tonight
Partly cloudy. Isolated showers and thunderstorms in the evening...then scattered showers and thunderstorms overnight. Breezy. Lows 55 to 63. West wind 15 to 25 mph with gusts to around 35 mph. Chance of precipitation 30 percent.
Monday
Partly cloudy. A chance of showers and thunderstorms in the morning...then a slight chance of showers in the afternoon. Breezy. Not as warm. Highs 79 to 84. West wind 15 to 25 mph. Chance of precipitation 30 percent.
... Significant weather advisory for Union... eastern Umatilla and western Wallowa counties until 415 PM PDT...
At 320 PM PDT... National Weather Service Doppler radar was tracking a strong thunderstorm 8 miles southwest of La Grande... moving northeast at 15 mph.
Hail up to the size of pennies and wind gusts up to 50 mph are expected with this storm.
Additional strong thunderstorms may develop this afternoon across the area.
This storm may intensify... so be certain to monitor local radio and TV stations... as well as local cable TV outlets... for additional information and possible warnings from the National Weather Service.
... Significant weather advisory for extreme western Union... southeastern Morrow and southern Umatilla counties until 415 PM PDT...
At 311 PM PDT... National Weather Service Doppler radar was tracking a strong thunderstorm 5 miles north of Dale... or 43 miles south of Pendleton... moving northeast at 15 mph.
Hail up to one-half inch in diameter and wind gusts up to 40 mph are expected with this storm.
This storm may intensify... so be certain to monitor local radio and TV stations... as well as local cable TV outlets... for additional information and possible warnings from the National Weather Service.
... Red flag warning remains in effect until 11 am PDT Monday for a combination of winds and low relative humidities this evening followed by thunderstorms producing abundant lightning tonight...
A red flag warning remains in effect until 11 am PDT Monday.
A cold front will cross the Oregon Cascades this evening and continue moving northeast across the lower Columbia Basin through the overnight hours into Monday morning. Winds ahead of the front will increase this evening to around 10 to 20 mph. The winds in combination with relative humidities ranging from 8 to 15 percent will result in critical fire weather conditions.
Scattered thunderstorms will develop tonight with periods of enhanced lightning activity across the lower elevation Grasslands. Rainfall amounts are expected to be relatively light.
Precautionary/preparedness actions...
A red flag warning means that critical fire weather conditions are either occurring now... or will shortly. A combination of strong winds and low relative humidity will create explosive fire growth potential. For additional weather information... check our web site at www.Weather.Gov/Pendleton.
Volcanic Activity Statement
DTG: 20090705/2303Z
VAAC: WASHINGTON
VOLCANO: ST. HELENS 1201-05 PSN: N4611 W12210
AREA: US-WASHINGTON
SUMMIT ELEV: 8363 FT (2549 M)
ADVISORY NR: 2009/001
INFO SOURCE: GOES-11. VOLCANO WEB CAMERA. PILOT REPORT.
ERUPTION DETAILS: NO ERUPTION... RESUSPENDED ASH
OBS VA DTG: 05/2230Z
OBS VA CLD:
FCST VA CLD +6HR: 06/0430Z
FCST VA CLD +12HR: 06/1030Z
FCST VA CLD +18HR: 06/1630Z
RMK: AT 2215Z A PILOT REPORTED ASH DRIFTING NE FROM MSH. WEB CAM SUGGESTS THIS IS RESUSPENDED ASH DUE TO STRONG WINDS. NO ERUPTION IS OCCURRING. ... BIRCH