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7 DAY FORECAST
HOURLY
47
Broken Clouds
Wednesday-
Few Showers
54
40
30%
54
40
Few Showers
Precipitation30%
Wind7mph ENE
Humidity73%
UVLow
Thursday-
Partly Cloudy
54
40
10%
54
40
Partly Cloudy
Precipitation10%
Wind3mph NE
Humidity68%
UVLow
Friday-
Rain
47
40
70%
47
40
Rain
Precipitation70%
Wind7mph SE
Humidity80%
UVLow
Saturday-
Mostly Sunny
49
32
10%
49
32
Mostly Sunny
Precipitation10%
Wind9mph NNE
Humidity62%
UVLow
Sunday-
Mostly Sunny
48
33
0%
48
33
Mostly Sunny
Precipitation0%
Wind6mph NE
Humidity51%
UVLow
Monday-
Partly Cloudy
48
40
10%
48
40
Partly Cloudy
Precipitation10%
Wind4mph NE
Humidity58%
UVLow
Tuesday-
Partly Cloudy
52
42
20%
52
42
Partly Cloudy
Precipitation20%
Wind5mph SW
Humidity68%
UVLow
RIGHT NOW
Precipitation10%
Wind3mph SE
Humidity87%
UVLow
Visibility6 miles
47
10%
48
10%
49
30%
50
30%
52
30%
53
40%
52
30%
52
20%
52
20%
51
10%
50
10%
49
10%

Latest Weathercast

WEATHERCAST

Interactive Radar

Radar

Latest Forecast


Updated Wednesday at 4:13 a.m.

Last grab at the vegetable garden before a killing frost occurs this weekend. We're eyeing a storm on Friday that will not only bring about a winter-like chill but also a good potential of accumulating snow in the Cascades...and for much of eastern Washington for that matter.

For now, morning lowland showers will dissipate to a partly cloudy afternoon despite ongoing light snow in the mountains. While Stevens Pass may come away with an inch or two of slush on the roads, Snoqualmie Pass will be just wet with more of a rain/snow mix.

Patchy frost on the pumpkins is possible Thursday morning as the sky clears and low temperatures bottom out in the 30's outside the city limits. Sunny, dry conditions tomorrow make for a perfect opportunity to prepare for the cold that's to come.

By Friday, a chilly rain will overspread the Interior Lowlands with heavy snow cranking out over the Cascades. Modified arctic air will surge through the Fraser Valley where gusts could top 30 mph in western Whatcom County. As the cold air seeps through the Cascades gaps, snow levels will lower below the passes. This will be an impactful snow event for pass travelers Friday into early Saturday as confidence is increasing a plowable snow will occur for all the mountain passes, including the often busy Snoqualmie Pass on a getaway day Friday.

Won't be surprised to see wet snow in our immediate foothill locations. Glacier south to Darrington may see a minor accumulation of a wet snow on the grassy surfaces, with roadways warm enough to remain just wet.

This January-like storm won't stick around for long, sky conditions clear and the cold settles in for the rest of the weekend. Widespread frost will occur Saturday and Sunday night as temperatures dip below freezing, thus ending the growing season for the year. Cold air eases through next week with daytime highs nearing 60 degrees by Halloween.

Meteorologist Kristin Clark
The KOMO4 Forecast Team

SUNRISE
07:37:31 am
SUNSET
06:09:10 pm

Today's Record Temperatures

Record High74
F
Record Low32
F