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Etna, Wyoming Weather Forecast
Etna, Wyoming Weather
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Weather Forecast for Etna, Wyoming : Lincoln County
Issued: 12:31 am MST Dec 17, 2025 Latitude: 43.0332545 Longitude: -111.0110456 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
70% chance of rain & snow on Overnight 90% chance of rain & snow on Wednesday 90% chance of snow on Thursday 90% chance of rain on Friday 80% chance of snow on Saturday 80% chance of rain & snow on Sunday Rain on Monday 20% chance of rain & snow on Tuesday
Low: 34°F High: 38°F High: 37°F High: 41°F High: 35°F High: 40°F High: 43°F High: 45°F
Low: 17°F Low: 28°F Low: 28°F Low: 22°F Low: 33°F Low: 29°F  
Rain & Snow Rain & Snow Snow Rain Snow Rain & Snow Rain Rain & Snow
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Current Conditions at
BIG PINEY - (KBPI)
32°
Mostly Clear
as of 11:53 PM MST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Few at 12000ft
Current Conditions at
IDAHO FALLS - (KIDA)
46°
Feels like 41°F
Cloudy
as of 11:53 PM MST
Rel. Humidity: 52%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
12 MPH
190° South
Cloud Level(s): Broken at 4300ft, Solid Overcast at 5500ft
70% chance of rain & snow Overnight Overnight... A chance of rain and snow showers before 4am, then rain showers likely between 4am and 5am, then rain likely, possibly mixed with snow showers after 5am. Mostly cloudy, with a low around 34. South southeast wind 5 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

90% chance of rain & snow Wednesday Wednesday... Rain, possibly mixed with snow showers, mainly before 1pm. High near 38. Breezy, with a south southeast wind 14 to 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow showers after 4am. Partly cloudy, with a low around 17. West wind 5 to 13 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

90% chance of snow Thursday Thursday... Snow showers, mainly after 11am. High near 37. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

90% chance of rain & snow Thursday Night Thursday Night... Snow showers before 8pm, then rain and snow showers between 8pm and 11pm, then rain showers likely after 11pm. Low around 28. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

90% chance of rain Friday Friday... Showers. High near 41. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

100% chance of rain & snow Friday Night Friday Night... Rain showers before 8pm, then rain and snow showers. Low around 28. West southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

80% chance of snow Saturday Saturday... Snow showers. High near 35. Chance of precipitation is 80%.

60% chance of snow Saturday Night Saturday Night... Snow showers likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

80% chance of rain & snow Sunday Sunday... Snow showers likely before 11am, then rain, possibly mixed with snow showers. High near 40. Chance of precipitation is 80%.

Rain on Sunday Night Sunday Night... Showers. Mostly cloudy, with a low around 33.

Rain on Monday Monday... Showers. Mostly cloudy, with a high near 43.

Rain and Snow on Monday Night Monday Night... Rain and snow showers likely. Mostly cloudy, with a low around 29.

20% chance of rain & snow Tuesday Tuesday... A chance of rain and snow showers. Mostly cloudy, with a high near 45.

Sun Almanac for Etna, Wyoming
Sunrise: 07:50 AM
Sunset: 4:51 PM
Civil Sunrise:07:18 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:42 AM
Nautical Sunset: 5:59 PM
Astro Sunrise: 06:07 AM
Astro Sunset: 6:33 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.