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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Henry's Lake (ITD55)

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

NA

47°F

8°C

Humidity 44%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Wind Chill45°F (7°C)
Last update 20 Mar 11:45 PM MDT
Extended Forecast for

13 Miles NNW Island Park ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 38. South southwest wind around 10 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after 2pm. Snow level 9600 feet. Increasing clouds, with a high near 48. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 48 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain, mixing with snow after 9pm, then gradually ending. Snow level 9600 feet lowering to 8400 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West northwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 38. Northwest wind 8 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 38. South southwest wind around 10 mph.
Saturday
A 20 percent chance of rain after 2pm. Snow level 9600 feet. Increasing clouds, with a high near 48. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
A chance of rain, mixing with snow after 9pm, then gradually ending. Snow level 9600 feet lowering to 8400 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West northwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 38. Northwest wind 8 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
A 20 percent chance of snow after noon. Snow level 9000 feet. Mostly sunny, with a high near 46.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 16.
Friday
Sunny, with a high near 38.
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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:
11:31 pm MDT Mar 20, 2026
Forecast Valid:
12am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation