Dearborn, Montana Weather
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Weather Forecast for Dearborn, Montana : Lewis and Clark County
Issued: 10:08 am MDT May 11, 2025 Latitude: 47.1985567 Longitude: -112.0911158 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
70% chance of thunderstorms on Today 40% chance of thunderstorms on Tonight 40% chance of on Monday 70% chance of rain on Tuesday 50% chance of on Wednesday Rain on Thursday 20% chance of on Friday Thunderstorms on Saturday
High: 78°F Low: 48°F High: 71°F High: 58°F High: 63°F High: 57°F High: 63°F High: 64°F
Low: 44°F Low: 41°F Low: 42°F Low: 39°F Low: 42°F  
Thunderstorms Thunderstorms Partly Sunny Rain Partly Sunny 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
BUTTE - (KBTM)
61°
Clear
as of 10:53 AM MDST
Rel. Humidity: 48%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
5 MPH
180° South
Cloud Level(s): Clear
70% chance of thunderstorms Today Today... A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. South wind 9 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
40% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 5am. Mostly cloudy, with a low around 48. Southwest wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 40%.
40% chance of Monday Monday... A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 71. Southwest wind 6 to 11 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph.
40% chance of rain Monday Night Monday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 44. Southwest wind 6 to 16 mph, with gusts as high as 22 mph.
70% chance of rain Tuesday Tuesday... Showers likely, mainly after noon. Mostly cloudy, with a high near 58. West southwest wind 5 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%.
40% chance of rain Tuesday Night Tuesday Night... A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. North wind 5 to 10 mph becoming west after midnight.
50% chance of Wednesday Wednesday... A 50 percent chance of showers. Partly sunny, with a high near 63. West wind 5 to 15 mph, with gusts as high as 22 mph.
20% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 42. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Rain on Thursday Thursday... Showers likely. Mostly cloudy, with a high near 57.
10% chance of rain Thursday Night Thursday Night... A slight chance of showers before midnight. Mostly cloudy, with a low around 39.
20% chance of Friday Friday... A chance of showers. Partly sunny, with a high near 63.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 42.
Thunderstorms on Saturday Saturday... Showers likely and possibly a thunderstorm. Partly sunny, with a high near 64.
Current Radar Image


Sun Almanac for Dearborn, Montana
Sunrise: 05:57 AM
Sunset: 8:53 PM
Civil Sunrise:05:21 AM
Civil Sunset: 9:29 PM
Nautical Sunrise: 04:35 AM
Nautical Sunset: 10:15 PM
Astro Sunrise: 03:40 AM
Astro Sunset: 11:10 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.