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

42°F

6°C

Humidity 50%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility 1.24 mi
Wind Chill39°F (4°C)
Last update 20 Mar 02:00 AM MDT
Extended Forecast for

13 Miles NNW Island Park ID

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 34. West southwest wind around 9 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Snow level 9700 feet. Partly sunny, with a high near 49. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight.  Partly cloudy, with a low around 23. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 34. West southwest wind around 9 mph.
Friday
Sunny, with a high near 48. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 34. South wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of rain after noon. Snow level 9700 feet. Partly sunny, with a high near 49. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Saturday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight. Partly cloudy, with a low around 23. West northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 42.
Tuesday Night
A slight chance of rain and snow. Snow level 9400 feet. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Wednesday
A slight chance of rain and snow. Snow level 8800 feet. Mostly sunny, with a high near 47. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Island Park ID
 44.73°N 111.41°W (Elev. 8415 ft)
12:30 am MDT Mar 20, 2026
2am MDT Mar 20, 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