Tomorrow is forecast to be Much Cooler than today.
Nowcast as of 7:17 PM PDT on July 5, 2009
Now
Through 830 PM...a large area of showers with embedded thunderstorms will continue to move northeast at 20 mph over southeast Washington extending east into the Camas Prairie...Lewiston area...Idaho Palouse...and central Panhandle mountains. These storms will contain brief heavy rain...as well as wind gusts up to 40 mph and possible small hail. The area most affected by thunderstorms include Pullman and Potlatch.
Forecast for Lower Garfield and Asotin Counties
Updated: 5:08 PM PDT on July 5, 2009
Rest of Tonight
Mostly cloudy. Scattered showers and thunderstorms. Lows in the upper 50s to upper 60s. Chance of precipitation 50 percent.
Monday
Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 70s to lower 80s. West wind 5 to 15 mph in the afternoon. Gusts up to 25 mph.
Partly cloudy. Lows in the upper 40s to mid 50s. West wind 5 to 15 mph with gusts to around 25 mph in the evening...becoming light overnight.
Tuesday
Mostly sunny. A slight chance of rain showers in the morning...then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to lower 80s. Chance of precipitation 20 percent.
Mostly cloudy. A slight chance of showers and thunderstorms in the evening...then a chance of rain showers overnight. Lows in the upper 40s to mid 50s. West wind 5 to 15 mph in the evening...becoming light overnight. Chance of precipitation 30 percent.
Wednesday
Partly sunny with a 20 percent chance of thunderstorms. Highs in the upper 60s to upper 70s.
... 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