Truly, Montana Weather
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Weather Forecast for Truly, Montana : Cascade County
Issued: 10:08 am MDT May 11, 2025 Latitude: 47.3557881 Longitude: -111.4413577 View on Google Maps

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Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
60% chance of thunderstorms on Today 30% chance of thunderstorms on Tonight 30% chance of rain on Monday 60% chance of rain on Tuesday 50% chance of rain on Wednesday Rain on Thursday 10% chance of  on Friday 20% chance of thunderstorms on Saturday
High: 79°F Low: 48°F High: 74°F High: 61°F High: 64°F High: 58°F High: 64°F High: 64°F
Low: 45°F Low: 41°F Low: 42°F Low: 38°F Low: 42°F  
Thunderstorms Thunderstorms Rain Rain Rain Rain Partly Sunny Thunderstorms
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Current Conditions at
GREAT FALLS - (KGTF)
59°
Clear
as of 10:53 AM MDST
Rel. Humidity: 51%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
7 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
66°
Clear
as of 10:53 AM MDST
Rel. Humidity: 39%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
10 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
LEWISTOWN - (KLWT)
66°
Mostly Cloudy
as of 10:54 AM MDST
Rel. Humidity: 52%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 29 MPH
260° West
Cloud Level(s): Scattered at 10000ft, Broken at 12000ft
60% chance of thunderstorms Today Today... A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny, with a high near 79. South southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

30% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Partly cloudy, with a low around 48. West northwest wind 6 to 9 mph becoming east southeast in the evening. Chance of precipitation is 30%.

30% chance of rain Monday Monday... A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 74. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

40% chance of rain Monday Night Monday Night... A 40 percent chance of showers. Cloudy, with a low around 45. West wind 8 to 16 mph, with gusts as high as 24 mph.

60% chance of rain Tuesday Tuesday... Showers likely, mainly after noon. Mostly cloudy, with a high near 61. West southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

30% chance of rain Tuesday Night Tuesday Night... A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. North northwest wind 6 to 10 mph becoming west southwest after midnight.

50% chance of rain Wednesday Wednesday... A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 64. West southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

20% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 42. Northwest wind 10 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

Rain on Thursday Thursday... Showers likely, mainly before noon. Mostly cloudy, with a high near 58.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 38.

10% chance of  Friday Friday... A slight chance of showers. Partly sunny, with a high near 64.

20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 42.

20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Partly sunny, with a high near 64.

Current Radar Image


Sun Almanac for Truly, Montana
Sunrise: 05:53 AM
Sunset: 8:51 PM
Civil Sunrise:05:18 AM
Civil Sunset: 9:27 PM
Nautical Sunrise: 04:31 AM
Nautical Sunset: 10:13 PM
Astro Sunrise: 03:36 AM
Astro Sunset: 11:08 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.