National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

Henry's Lake (ITD55)

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

NA

41°F

5°C

Humidity 59%
Wind Speed S 15 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Wind Chill33°F (1°C)
Last update 14 Apr 05:30 PM MDT
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

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. South southwest wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after 11am. High near 29. Breezy, with a south southwest wind 16 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Breezy. Snow
    Showers
    Likely then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 15. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 15 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers. The snow could be heavy at times. High near 19. Wind chill values as low as -2. West southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 19 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow showers, mainly before midnight. Low around 9. North northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 22. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow Showers
    Likely

  • Friday Night

    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.

    Low: 8 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. South southwest wind 15 to 20 mph, with gusts as high as 31 mph.
Wednesday
Snow showers, mainly after 11am. High near 29. Breezy, with a south southwest wind 16 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 15. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow showers. The snow could be heavy at times. High near 19. Wind chill values as low as -2. West southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday Night
Snow showers, mainly before midnight. Low around 9. North northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 22. 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 17.
Sunday
Sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 24.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 43.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Tuesday
Snow likely. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Island Park ID
 44.73°N 111.41°W (Elev. 8415 ft)
Last Update:
5:31 pm MDT Apr 14, 2026
Forecast Valid:
5pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation