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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Henry's Lake (ITD55)

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

light snow

8°F

-13°C

Humidity 89%
Wind Speed NW 6 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility 1.24 mi
Wind Chill-2°F (-19°C)
Last update 18 Feb 11:00 PM MST
Extended Forecast for

13 Miles NNW Island Park ID

Winter Weather Advisory February 18, 11:26pm until February 19, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 11:26pm until February 19, 05:00am

    NOW until 5:00am Thu

    Winter Weather Advisory

  • Tonight

    Low: 1 °F

    Chance Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly between 10am and 4pm. Partly sunny and cold, with a high near 10. Wind chill values as low as -18. North northwest wind 9 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than one inch possible.

    High: 10 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -5. Wind chill values as low as -20. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: -5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of snow after 11am. Partly sunny, with a high near 12. Wind chill values as low as -20. North wind 8 to 13 mph becoming west southwest in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

    High: 12 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 0. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

Tonight
A 50 percent chance of snow. Mostly cloudy, with a steady temperature around 1. Wind chill values as low as -17. North northwest wind around 11 mph. Total nighttime snow accumulation of around an inch possible.
Thursday
A 50 percent chance of snow, mainly between 10am and 4pm. Partly sunny and cold, with a high near 10. Wind chill values as low as -18. North northwest wind 9 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -5. Wind chill values as low as -20. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Friday
A 40 percent chance of snow after 11am. Partly sunny, with a high near 12. Wind chill values as low as -20. North wind 8 to 13 mph becoming west southwest in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 0. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 11.
Monday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 27.
Monday Night
Snow likely. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Tuesday
Snow. High near 23. Chance of precipitation is 80%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
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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:
10:31 pm MST Feb 18, 2026
Forecast Valid:
11pm MST Feb 18, 2026-6pm MST Feb 25, 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