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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

Clear

52°F

11°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Mar 11:35 AM MDT
Extended Forecast for

Alpine WYSimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. West southwest wind 6 to 9 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. West southwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. West southwest wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 34. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 68. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 70. Calm wind becoming west southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A slight chance of showers. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alpine WYSimilar City Names
 43.16°N 111.03°W (Elev. 5892 ft)
Last Update:
11:48 am MDT Mar 17, 2026
Forecast Valid:
12pm MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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