Atlantic City, Montana Weather
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Weather Forecast for Atlantic City, Montana : Lewis and Clark County
Issued: 2:17 pm MDT May 9, 2025 Latitude: 46.7854934 Longitude: -112.4175229 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on This Afternoon Cloudy on Tonight 50% chance of thunderstorms on Saturday 70% chance of thunderstorms on Sunday 80% chance of rain on Monday Rain on Tuesday Thunderstorms on Wednesday Rain on Thursday
High: 74°F Low: 51°F High: 80°F High: 72°F High: 61°F High: 48°F High: 52°F High: 54°F
Low: 50°F Low: 46°F Low: 40°F Low: 39°F Low: 39°F  
Mostly Sunny Cloudy Thunderstorms Thunderstorms Rain Rain Thunderstorms Rain
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Current Conditions at
HELENA - (KHLN)
79°
Mostly Clear
as of 1:53 PM MDST
Rel. Humidity: 19%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
13 MPH
110° East
Cloud Level(s): Few at 11000ft
Current Conditions at
BUTTE - (KBTM)
70°
Mostly Clear
as of 1:53 PM MDST
Rel. Humidity: 19%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Few at 9500ft
Current Conditions at
GREAT FALLS - (KGTF)
77°
Clear
as of 1:53 PM MDST
Rel. Humidity: 19%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 21 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
MISSOULA - (KMSO)
73°
Clear
as of 1:53 PM MDST
Rel. Humidity: 27%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 74. Southwest wind around 9 mph, with gusts as high as 18 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 51. Southwest wind 3 to 7 mph.
50% chance of thunderstorms Saturday Saturday... A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 80. South southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 50%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. West southwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
70% chance of thunderstorms Sunday Sunday... A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
60% chance of thunderstorms Sunday Night Sunday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
80% chance of rain Monday Monday... Showers. High near 61. Southwest wind 5 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Rain on Monday Night Monday Night... Showers likely, mainly after midnight. Mostly cloudy, with a low around 40. West wind 5 to 13 mph, with gusts as high as 28 mph.
Rain on Tuesday Tuesday... Showers. Mostly cloudy, with a high near 48.
Rain on Tuesday Night Tuesday Night... Showers likely, mainly before midnight. Mostly cloudy, with a low around 39.
Thunderstorms on Wednesday Wednesday... Showers and possibly a thunderstorm. Mostly cloudy, with a high near 52.
20% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 39.
Rain on Thursday Thursday... Showers likely. Mostly cloudy, with a high near 54.
Current Radar Image


Sun Almanac for Atlantic City, Montana
Sunrise: 06:02 AM
Sunset: 8:50 PM
Civil Sunrise:05:27 AM
Civil Sunset: 9:25 PM
Nautical Sunrise: 04:42 AM
Nautical Sunset: 10:10 PM
Astro Sunrise: 03:49 AM
Astro Sunset: 11:03 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.