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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Henry's Lake (ITD55)

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

unknown precip

38°F

3°C

Humidity 94%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility 1.24 mi
Wind Chill32°F (0°C)
Last update 12 Apr 02:00 AM MDT
Extended Forecast for

13 Miles NNW Island Park ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. South southwest wind around 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely between noon and 3pm, then snow showers likely after 3pm. Some thunder is also possible. Partly sunny, with a high near 38. South wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Mostly Sunny
    then Snow
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly between 11pm and 1am. Mostly cloudy, with a low around 22. South wind 18 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: Snow, mainly after noon. High near 31. South southwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Chance Snow
    then Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. Southwest wind 8 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow. Partly sunny, with a high near 32. Little or no snow accumulation expected.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Snow, mainly after noon. High near 30. Breezy. Chance of precipitation is 90%.

    High: 30 °F

    Breezy.
    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 19. Breezy. Chance of precipitation is 100%.

    Low: 19 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. South southwest wind around 10 mph.
Sunday
Snow likely between noon and 3pm, then snow showers likely after 3pm. Some thunder is also possible. Partly sunny, with a high near 38. South wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow, mainly between 11pm and 1am. Mostly cloudy, with a low around 22. South wind 18 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Monday
Snow, mainly after noon. High near 31. South southwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. Southwest wind 8 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 40 percent chance of snow. Partly sunny, with a high near 32. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 24.
Wednesday
Snow, mainly after noon. High near 30. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow. The snow could be heavy at times. Low around 19. Breezy. Chance of precipitation is 100%.
Thursday
Snow. The snow could be heavy at times. High near 22. Chance of precipitation is 100%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 24.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 10.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 30.
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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:
12:31 am MDT Apr 12, 2026
Forecast Valid:
2am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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