Johnstown, Montana Weather
Issued: 9:18 am MST Dec 17, 2025 Latitude: 47.5027354 Longitude: -111.3174746 View on Google Maps
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| Dust |
Cloudy |
Partly Sunny |
Rain & Snow |
Mostly Sunny |
Mostly Sunny |
Rain & Snow |
Mostly Sunny |
Current Conditions at
HELENA - (KHLN)
Cloudy
Light Rain
as of 10:02 AM MST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.29 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 32 MPH
260° West
Cloud Level(s): Broken at 3300ft, Broken at 4900ft, Solid Overcast at 6000ft
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Today... Patchy blowing dust. Mostly sunny, with a temperature falling to around 37 by 5pm. Windy, with a west wind 36 to 41 mph, with gusts as high as 60 mph. |
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Tonight... Partly cloudy, with a low around 26. Windy, with a west wind 25 to 30 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 48 mph. |
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Thursday... Partly sunny, with a high near 47. South southwest wind 14 to 16 mph, with gusts as high as 26 mph. |
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Thursday Night... A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 37. Breezy, with a southwest wind 13 to 18 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 45 mph. |
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Friday... A chance of rain and snow before 11am, then a chance of snow. Partly sunny, with a high near 49. Breezy, with a west wind 20 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 40%. Little or no snow accumulation expected. |
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Friday Night... A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 22. West southwest wind around 11 mph, with gusts as high as 21 mph. Little or no snow accumulation expected. |
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Saturday... Mostly sunny, with a high near 41. West southwest wind 10 to 20 mph, with gusts as high as 32 mph. |
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Saturday Night... Mostly clear, with a low around 25. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. |
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Sunday... Mostly sunny, with a high near 42. |
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Sunday Night... A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 26. |
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Monday... A slight chance of rain and snow. Partly sunny, with a high near 42. |
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Monday Night... A slight chance of rain and snow. Partly cloudy, with a low around 24. |
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Tuesday... Mostly sunny, with a high near 42. |
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Sun Almanac for Johnstown, Montana
Sunrise: 08:08 AM
Sunset: 4:35 PM
Civil Sunrise:07:32 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:53 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 06:16 AM
Astro Sunset: 6:28 PM
Montana's Current Temperatures
Montana's Satellite Image
Montana's Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7153 locations
in the contiguous United States |
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High
Temp |
81° |
Walker Ridge 29, Louisiana
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Low
Temp |
14° |
Solon Springs, Wisconsin
and 1 other location
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Wind
Speed |
63mph |
Cutbank, Montana
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Wind
Gust |
84mph |
Cutbank, Montana
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Wind
Chill |
0° |
Flag Island, Minnesota
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High
Pressure |
30.31Hg |
Big Bear City, California
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Low
Pressure |
28.97Hg |
Havre, Montana
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| # Locations Reporting Snow |
3 |
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| # Locations Reporting Rain |
63 |
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| # Locations Reporting Fog |
18 |
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| Average Temperature in the Contiguous USA |
49° |
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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.
