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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.

light snow

33°F

1°C

Humidity 96%
Wind Speed ESE 12 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility 1.17 mi
Wind Chill24°F (-4°C)
Last update 15 Apr 11:30 AM MDT
Extended Forecast for

11 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

  • Today

    Today: Snow showers. High near 29. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Showers
    and Breezy

  • Tonight

    Tonight: Snow showers. Some thunder is also possible. Low around 17. Breezy, with a south southwest wind 20 to 29 mph becoming west northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.

    Low: 17 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. High near 19. West wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 19 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -4. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 10 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 21. North northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 9. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Chance Snow
    Showers then
    Mostly Clear

  • 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

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Snow showers. High near 29. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers. Some thunder is also possible. Low around 17. Breezy, with a south southwest wind 20 to 29 mph becoming west northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.
Thursday
Snow showers. High near 19. West wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -4. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 21. North northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 9. 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 25.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 45. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Island Park ID
 44.71°N 111.4°W (Elev. 9400 ft)
Last Update:
11:31 am MDT Apr 15, 2026
Forecast Valid:
11am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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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