Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

42°F

6°C

Humidity	82%
Wind Speed	N 7 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	38°F (3°C)
Last update	31 Mar 01:30 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sammamish WA

Overnight
Low: 33 °F
Mostly Cloudy
Tuesday
High: 57 °F
Partly Sunny
Tuesday Night
Low: 41 °F
Mostly Cloudy
then Rain
Likely
Wednesday
High: 51 °F
Rain
Wednesday Night
Low: 39 °F
Rain then
Rain Likely
Thursday
High: 53 °F
Rain Likely
Thursday Night
Low: 39 °F
Slight Chance
Rain then
Mostly Cloudy
Friday
High: 58 °F
Partly Sunny
Friday Night
Low: 38 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 33. Calm wind.

Tuesday

Partly sunny, with a high near 57. Calm wind.

Tuesday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 41. Calm wind becoming south around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. High near 51. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain. Low around 39. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain likely, mainly before 11am. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 39.

Friday

Partly sunny, with a high near 58.

Friday Night

Partly cloudy, with a low around 38.

Saturday

Mostly sunny, with a high near 61.

Saturday Night

Mostly cloudy, with a low around 41.

Sunday

Partly sunny, with a high near 63.