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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

DW6140 Thayne (D6140)

Lat: 42.91983°NLon: 110.99633°WElev: 5942.0ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Etna WY

  • Overnight

    Overnight: Rain and snow likely, mainly after 4am. Cloudy, with a steady temperature around 36. South wind around 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with snow. High near 41. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow before 9pm, then rain. Low around 37. South wind 7 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely then
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 9am. Cloudy, with a high near 45. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 45 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 26. South southwest wind 6 to 9 mph.

    Low: 26 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly sunny, with a high near 45. South southwest wind 3 to 7 mph.

    High: 45 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain and snow likely, mainly after 4am. Cloudy, with a steady temperature around 36. South wind around 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow. High near 41. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain likely, possibly mixed with snow before 9pm, then rain. Low around 37. South wind 7 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before 9am. Cloudy, with a high near 45. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 26. South southwest wind 6 to 9 mph.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 45. South southwest wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 26. Southwest wind 5 to 7 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A slight chance of rain and snow showers. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Etna WY
 43.05°N 111.01°W (Elev. 5948 ft)
Last Update:
2:31 am MST Dec 9, 2025
Forecast Valid:
3am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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