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7 DAY FORECAST
HOURLY
67
Clear
domingo-
Mostly Clear
75
53
10%
75
53
Mostly Clear
Precipitation10%
Wind7mph NNE
Humidity73%
UVLow
lunes-
Sunny
80
55
10%
80
55
Sunny
Precipitation10%
Wind4mph NW
Humidity55%
UVModerate
martes-
Mostly Sunny
78
57
10%
78
57
Mostly Sunny
Precipitation10%
Wind9mph S
Humidity64%
UVModerate
miércoles-
Rain
65
56
40%
65
56
Rain
Precipitation40%
Wind10mph S
Humidity73%
UVModerate
jueves-
Few Showers
68
52
30%
68
52
Few Showers
Precipitation30%
Wind6mph SW
Humidity73%
UVModerate
viernes-
Mostly Sunny
68
53
10%
68
53
Mostly Sunny
Precipitation10%
Wind9mph N
Humidity70%
UVModerate
sábado-
Partly Cloudy
74
54
10%
74
54
Partly Cloudy
Precipitation10%
Wind8mph NNW
Humidity59%
UVModerate
domingo-
Partly Cloudy
67
53
20%
67
53
Partly Cloudy
Precipitation20%
Wind6mph NNW
Humidity66%
UVModerate
RIGHT NOW
Precipitation0%
Wind5mph N
Humidity61%
UVLow
Visibility10 miles
64
0%
62
0%
60
0%
59
0%
58
0%
57
0%
57
10%
56
10%
56
10%
56
10%
54
10%
57
10%
61
0%
65
0%
69
0%
71
0%
74
0%
76
0%
78
0%
79
0%
79
0%
77
0%
72
0%
69
0%
67
0%
65
0%
63
0%
61
10%
60
10%
58
10%
57
10%
57
10%
57
10%
56
10%
56
10%
57
10%

Latest Weathercast

WEATHERCAST

Radar Regional

Radar

Latest Forecast


Wind is gradually shifting to easterly across the Cascades. With the additional drying of an east wind, low humidity, and very warm temperatures ahead there is a risk of rapid growth or spread, on our existing wildfires in the Cascades. A Red Flag Warning is issued for this critical fire weather through the day on Monday. A change in wind, temperature and humidity occurs Monday night into Tuesday morning .

Air quality will also be impacted Monday by the east wind carrying wildfire smoke westward. The current air quality forecast is good to moderate for the lowlands but, there is a risk, an increase of smoke in and around the Cascade foothills and through parts of Snohomish, Skagit, and Whatcom Counties will cause Unhealthy for Sensitive Groups Monday afternoon. Anticipate a hazy sky for western Washington Monday with clearing and air quality improvement as the wind returns to a westerly, onshore Monday evening.

Monday will be a sunny, hazy, day with temperatures 5 to 10 degrees above normal for late September. The warmest spot will be through the Cascade foothills and South Sound where highs will be in the low 80s. Most of western Washington will have highs in the 70s, mid to upper 70s from Seattle to Bellevue. High pressure will keep weather dry until Wednesday morning.

Tuesday morning a return to onshore wind will increase cloud cover for the morning hours. Cloudy skies will clear to sunny again Tuesday afternoon and highs will be in the low to mid 70s. A low pressure trough will track over western Washington Wednesday for a round of rain in the morning, a temporary break with sunbreaks early afternoon, then a round of rain showers in the evening. Scattered showers will become focused in a Puget Sound Convergence Zone (Everett to Seattle) by Thursday afternoon and gradually diminish through evening. Highs will be in the 60s. Sunshine returns Friday and Saturday with another low scheduled for rain Sunday.


Meteorologist Rebecca Stevenson

The KOMO 4-Cast Team

Updated Sunday Evening

AMANECER
07:00:32 am
ATARDECER
07:00:41 pm

Today's Record Temperatures

Record High81
F
Record Low36
F