Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Henry's Lake (ITD55)

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

NA

47°F

8°C

Humidity 41%
Wind Speed SE 10 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility 1.24 mi
Wind Chill42°F (6°C)
Last update 19 Mar 10:15 PM MDT
Extended Forecast for

5 Miles NNW Island Park ID

  • Tonight

    Tonight: Mostly clear, with a low around 36. West southwest wind around 6 mph becoming east southeast after midnight.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Southeast wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Southwest wind 6 to 10 mph becoming southeast after midnight.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Snow level 9600 feet. Partly sunny, with a high near 60. Southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before midnight.  Snow level 9500 feet lowering to 6600 feet after midnight . Partly cloudy, with a low around 30. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Chance Rain
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West southwest wind around 6 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 61. Southeast wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 39. Southwest wind 6 to 10 mph becoming southeast after midnight.
Saturday
A 20 percent chance of rain after noon. Snow level 9600 feet. Partly sunny, with a high near 60. Southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A 30 percent chance of rain before midnight. Snow level 9500 feet lowering to 6600 feet after midnight . Partly cloudy, with a low around 30. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42.
Wednesday
A 30 percent chance of rain. Snow level 9300 feet lowering to 8700 feet in the afternoon . Partly sunny, with a high near 54. Breezy.
Wednesday Night
A chance of rain and snow. Snow level 8400 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 27. Breezy. Chance of precipitation is 30%.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Island Park ID
 44.63°N 111.36°W (Elev. 6496 ft)
5:31 pm MDT Mar 19, 2026
10pm MDT Mar 19, 2026-6pm MDT Mar 26, 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