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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Henry's Lake (ITD55)

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

NA

37°F

3°C

Humidity 45%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Wind Chill29°F (-2°C)
Last update 18 Apr 02:15 PM MDT
Extended Forecast for

13 Miles NNW Island Park ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 29. Southwest wind around 16 mph, with gusts as high as 25 mph.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 40. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. South southwest wind around 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. South southeast wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Snow level 10200 feet lowering to 9300 feet after midnight . Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 37. Breezy. Chance of precipitation is 80%.

    High: 37 °F

    Chance Snow
    then Snow
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 29. Southwest wind around 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 17. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 40. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 26. South southwest wind around 10 mph.
Monday
Sunny, with a high near 47. South southeast wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
A 20 percent chance of rain. Snow level 10200 feet lowering to 9300 feet after midnight . Partly cloudy, with a low around 32.
Wednesday
A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 37. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow. The snow could be heavy at times. Low around 23. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 27. Chance of precipitation is 90%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Friday
A 40 percent chance of snow. Partly 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 pm MDT Apr 18, 2026
Forecast Valid:
2pm MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation