Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Henry's Lake (ITD55)

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

light snow

36°F

2°C

Humidity 68%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 1.24 mi
Wind Chill28°F (-2°C)
Last update 13 Apr 01:00 PM MDT
Extended Forecast for

11 Miles NNW Island Park ID

  • This Afternoon

    This Afternoon: Snow showers likely, mainly after 5pm.  Mostly cloudy, with a high near 27. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 27 °F

    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of snow showers before 9pm.  Mostly cloudy, with a low around 21. South southwest wind 7 to 17 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.  New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers before 9am, then a chance of snow showers after 10am.  Mostly cloudy, with a high near 31. West wind 7 to 12 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. South wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon.  High near 30. Breezy, with a south southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Chance Snow
    Showers then
    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times.  Low around 19. Breezy.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 19 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers. The snow could be heavy at times.  High near 22. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 22 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow, mainly before midnight.  Low around 11. Chance of precipitation is 90%.

    Low: 11 °F

    Snow then
    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 23. Chance of precipitation is 70%.

    High: 23 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 5pm. Mostly cloudy, with a high near 27. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 50 percent chance of snow showers before 9pm. Mostly cloudy, with a low around 21. South southwest wind 7 to 17 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. New snow accumulation of less than one inch possible.
Tuesday
A slight chance of snow showers before 9am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 31. West wind 7 to 12 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 23. South wind 14 to 18 mph, with gusts as high as 26 mph.
Wednesday
Snow showers, mainly after noon. High near 30. Breezy, with a south southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 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. Low around 19. Breezy. 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 22. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday Night
Snow, mainly before midnight. Low around 11. Chance of precipitation is 90%.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 23. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 11.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Island Park ID
 44.71°N 111.4°W (Elev. 9400 ft)
12:31 pm MDT Apr 13, 2026
1pm MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database