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Johnstown, Wyoming Weather Forecast
Johnstown, Wyoming Weather
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Weather Forecast for Johnstown, Wyoming : Fremont County
Issued: 1:48 pm MST Dec 16, 2025 Latitude: 43.1182917 Longitude: -108.7015063 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Sunny on This Afternoon Cloudy on Tonight 40% chance of rain & snow on Wednesday 30% chance of snow on Thursday 30% chance of rain on Friday 20% chance of rain & snow on Saturday Mostly Sunny on Sunday 10% chance of rain on Monday
High: 60°F Low: 30°F High: 55°F High: 40°F High: 53°F High: 47°F High: 48°F High: 56°F
Low: 23°F Low: 27°F Low: 31°F Low: 25°F Low: 28°F  
Mostly Sunny Cloudy Rain & Snow Snow Rain Rain & Snow Mostly Sunny Rain
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Current Conditions at
PINEDALE - (KPNA)
45°
Partly Cloudy
as of 1:35 PM MST
Rel. Humidity: 48%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 5500ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 60. Breezy, with a west northwest wind 18 to 24 mph, with gusts as high as 38 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 30. West northwest wind 8 to 11 mph becoming south southwest after midnight.

40% chance of rain & snow Wednesday Wednesday... Scattered rain showers, possibly mixing with snow after 2pm, then gradually ending. Mostly sunny, with a high near 55. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 23. Windy, with a west northwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 41 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow showers after 5pm. Partly sunny, with a high near 40. West wind 6 to 10 mph becoming south southeast in the morning.

30% chance of rain & snow Thursday Night Thursday Night... A chance of snow showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then a chance of rain showers after 11pm. Partly cloudy, with a low around 27. Breezy, with a west southwest wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

30% chance of rain Friday Friday... A 30 percent chance of showers. Mostly sunny, with a high near 53. Windy, with a west southwest wind 21 to 26 mph, with gusts as high as 40 mph.

40% chance of rain & snow Friday Night Friday Night... A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 40%.

20% chance of rain & snow Saturday Saturday... A slight chance of rain and snow showers before 11am, then a slight chance of snow showers. Mostly sunny, with a high near 47. Breezy. Chance of precipitation is 20%.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 25.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 48.

10% chance of rain Sunday Night Sunday Night... A slight chance of showers. Mostly cloudy, with a low around 28.

10% chance of rain Monday Monday... A slight chance of showers. Mostly sunny, with a high near 56.

Sun Almanac for Johnstown, Wyoming
Sunrise: 07:41 AM
Sunset: 4:41 PM
Civil Sunrise:07:08 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:32 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:58 AM
Astro Sunset: 6:24 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.