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

31°F

-1°C

Humidity 72%
Wind Speed E 7 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Wind Chill24°F (-4°C)
Last update 18 Apr 10:00 PM MDT
Extended Forecast for

11 Miles NNW Island Park ID

  • Tonight

    Tonight: Mostly clear, with a low around 20. South wind around 9 mph.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 40. West southwest wind 7 to 10 mph becoming south southeast in the morning.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Southwest wind 7 to 9 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. Southwest wind 10 to 13 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Snow level 10200 feet lowering to 9400 feet after midnight . Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then rain and snow showers. Some thunder is also possible.  High near 38. Breezy.  Chance of precipitation is 80%.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 25. Chance of precipitation is 90%.

    Low: 25 °F

    Heavy Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 20. South wind around 9 mph.
Sunday
Sunny, with a high near 40. West southwest wind 7 to 10 mph becoming south southeast in the morning.
Sunday Night
Mostly cloudy, with a low around 28. Southwest wind 7 to 9 mph.
Monday
Sunny, with a high near 48. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 31. Southwest wind 10 to 13 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
A 20 percent chance of rain. Snow level 10200 feet lowering to 9400 feet after midnight . Partly cloudy, with a low around 34.
Wednesday
A chance of rain and snow before noon, then rain and snow showers. Some thunder is also possible. High near 38. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow. The snow could be heavy at times. Low around 25. 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 16.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 31.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 18.
Saturday
A 30 percent chance of snow. Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Island Park ID
 44.71°N 111.4°W (Elev. 9400 ft)
5:31 pm MDT Apr 18, 2026
10pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
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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