Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 15, 06:00 PM MDT until April 17, 06:00 AM MDT

Current conditions at

Henry's Lake (ITD55)

Lat: 44.61831°NLon: 111.33548°WElev: 6617.0ft.

34°F

1°C

Humidity	68%
Wind Speed	ESE 9 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	1.24 mi
Wind Chill	27°F (-3°C)
Last update	15 Apr 01:45 AM MDT

More Information:

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

Extended Forecast for

13 Miles NNW Island Park ID

Winter Weather Advisory April 15, 06:00pm until April 17, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 23 °F
Mostly Cloudy
Wednesday
High: 29 °F
Breezy. Snow
Likely then
Snow
Wednesday Night
Low: 16 °F
Heavy Snow
and Breezy
Thursday
High: 19 °F
Snow
Thursday Night
Low: 7 °F
Snow Likely
then Chance
Snow
Friday
High: 21 °F
Chance Snow
then Snow
Likely
Friday Night
Low: 8 °F
Chance Snow
then Partly
Cloudy
Saturday
High: 29 °F
Sunny
Saturday Night
Low: 16 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 23. South southwest wind around 16 mph, with gusts as high as 23 mph.

Wednesday

Snow, mainly after 10am. High near 29. Breezy, with a south southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow showers, mainly before midnight, then snow after midnight. The snow could be heavy at times. Some thunder is also possible. Low around 16. Breezy, with a south southwest wind 18 to 28 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Thursday

Snow. High near 19. Wind chill values as low as zero. West wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 7. Northwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely, mainly after noon. Mostly cloudy, with a high near 21. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

A 30 percent chance of snow before midnight. Partly cloudy, with a low around 8. New snow accumulation of less than a half inch possible.

Saturday

Sunny, with a high near 29.

Saturday Night

Partly cloudy, with a low around 16.

Sunday

Sunny, with a high near 38.

Sunday Night

Partly cloudy, with a low around 23.

Monday

A 20 percent chance of snow. Mostly sunny, with a high near 43.