Barnum, Wyoming Weather
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Weather Forecast for Barnum, Wyoming : Johnson County
Issued: 5:58 pm MDT Jun 2, 2025 Latitude: 43.6641328 Longitude: -106.909502 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
60% chance of rain on Tonight 50% chance of thunderstorms on Tuesday 50% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 40°F High: 58°F High: 60°F High: 66°F High: 73°F High: 77°F High: 71°F High: 74°F
Low: 41°F Low: 41°F Low: 45°F Low: 49°F Low: 47°F Low: 45°F  
Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny
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Current Conditions at
BUFFALO - (KBYG)
50°
Feels like 44°F
Cloudy
as of 5:53 PM MDST
Rel. Humidity: 71%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
16 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
CASPER - (KCPR)
54°
Cloudy
as of 5:53 PM MDST
Rel. Humidity: 66%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 32 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
WORLAND - (KWRL)
64°
Clear
as of 5:53 PM MDST
Rel. Humidity: 31%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 28 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
SOUTH BIG HORN - (KGEY)
64°
Clear
as of 5:53 PM MDST
Rel. Humidity: 31%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 37 MPH
320° Northwest
Cloud Level(s): Clear
60% chance of rain Tonight Tonight... Showers likely, mainly after 5am. Mostly cloudy, with a low around 40. Breezy, with a northeast wind 11 to 16 mph becoming light and variable. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
50% chance of thunderstorms Tuesday Tuesday... Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
40% chance of thunderstorms Tuesday Night Tuesday Night... Scattered showers and thunderstorms. Mostly cloudy, with a low around 41. Northeast wind 5 to 8 mph becoming calm. Chance of precipitation is 40%.
50% chance of thunderstorms Wednesday Wednesday... A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 60. Northwest wind 5 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of showers after midnight. Partly cloudy, with a low around 41. East northeast wind 5 to 9 mph becoming calm after midnight.
40% chance of thunderstorms Thursday Thursday... A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 45. East wind around 6 mph becoming calm after midnight.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 49.
20% chance of thunderstorms Saturday Saturday... A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 47.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 71.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 45.
Sunny on Monday Monday... Sunny, with a high near 74.
Current Radar Image


Sun Almanac for Barnum, Wyoming
Sunrise: 05:28 AM
Sunset: 8:43 PM
Civil Sunrise:04:53 AM
Civil Sunset: 9:19 PM
Nautical Sunrise: 04:07 AM
Nautical Sunset: 10:04 PM
Astro Sunrise: 03:12 AM
Astro Sunset: 11:00 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.