Log In
    Favorites
        Member Settings
      Elev 2897 ft, 47.817 °N 114.337 °W

      Big Arm, MT

      Big Arm Station40°
      Thu, Oct 15, 2026
      Tomorrow
      Fri 10/16
      High 57°f30°f
      5% Precip. / 0 in
      A mainly sunny sky. High 57F. Winds light and variable.
      Tomorrow night
      Fri 10/16
      Low 30°f
      3% Precip. / 0 in
      Mostly clear skies. Low around 30F. Winds light and variable.
      Sunrise 7:56 AM
      Sunset 6:48 PM
      Moonrise 1:44 PM
      Moonset 9:13 PM
      Waxing Crescent, 24% visible
      Hourly Forecast
      12AM
      38°
      1AM
      37°
      2AM
      35°
      3AM
      35°
      4AM
      34°
      5AM
      34°
      6AM
      33°
      7AM
      33°
      7:56AM
      Sunrise
      8AM
      32°
      9AM
      35°
      10AM
      39°
      11AM
      42°
      12PM
      45°
      1PM
      49°
      2PM
      51°
      3PM
      53°
      4PM
      55°
      5PM
      56°
      6PM
      55°
      6:48PM
      Sunset
      7PM
      51°
      8PM
      45°
      9PM
      42°
      10PM
      40°
      11PM
      39°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 38°F 38°F 3% 0in 3% 34°F 85% 2 mph NNW 30.39in
      1:00 am
      Clear
      		 37°F 37°F 4% 0in 3% 33°F 86% 2 mph NNW 30.42in
      2:00 am
      Clear
      		 35°F 35°F 4% 0in 7% 32°F 89% 2 mph NNW 30.44in
      3:00 am
      Clear
      		 35°F 35°F 5% 0in 12% 32°F 90% 2 mph NNW 30.47in
      4:00 am
      Clear
      		 34°F 34°F 5% 0in 8% 32°F 91% 2 mph N 30.5in
      5:00 am
      Clear
      		 34°F 30°F 5% 0in 15% 31°F 92% 4 mph N 30.53in
      6:00 am
      Clear
      		 33°F 30°F 5% 0in 16% 31°F 92% 4 mph N 30.55in
      7:00 am
      Clear
      		 33°F 29°F 5% 0in 8% 31°F 94% 4 mph N 30.59in
      8:00 am
      Sunny
      		 32°F 32°F 5% 0in 7% 30°F 96% 3 mph N 30.62in
      9:00 am
      Sunny
      		 35°F 35°F 5% 0in 18% 33°F 93% 2 mph N 30.64in
      10:00 am
      Sunny
      		 39°F 39°F 2% 0in 15% 35°F 84% 1 mph NNE 30.65in
      11:00 am
      Sunny
      		 42°F 42°F 0% 0in 6% 34°F 73% 2 mph ENE 30.64in
      12:00 pm
      Sunny
      		 45°F 45°F 0% 0in 18% 35°F 67% 2 mph NE 30.62in
      1:00 pm
      Sunny
      		 49°F 49°F 0% 0in 2% 35°F 60% 3 mph ENE 30.6in
      2:00 pm
      Sunny
      		 51°F 51°F 0% 0in 1% 36°F 57% 3 mph E 30.58in
      3:00 pm
      Sunny
      		 53°F 53°F 0% 0in 17% 36°F 51% 2 mph E 30.56in
      4:00 pm
      Sunny
      		 55°F 55°F 0% 0in 13% 36°F 48% 2 mph E 30.55in
      5:00 pm
      Sunny
      		 56°F 56°F 0% 0in 7% 35°F 46% 2 mph E 30.54in
      6:00 pm
      Sunny
      		 55°F 55°F 0% 0in 4% 36°F 50% 2 mph ENE 30.54in
      7:00 pm
      Clear
      		 51°F 51°F 1% 0in 5% 36°F 58% 2 mph NNE 30.54in
      8:00 pm
      Clear
      		 45°F 45°F 2% 0in 16% 37°F 73% 2 mph NNE 30.55in
      9:00 pm
      Clear
      		 42°F 42°F 2% 0in 17% 37°F 81% 2 mph NNW 30.55in
      10:00 pm
      Mostly Clear
      		 40°F 40°F 3% 0in 27% 36°F 83% 2 mph NNW 30.54in
      11:00 pm
      Partly Cloudy
      		 39°F 39°F 3% 0in 30% 35°F 86% 2 mph NNW 30.54in
      Additional Conditions
      1. Pressure 30.26 in
      2. Visibility 10 miles
      3. Clouds Mostly Cloudy
      4. Dew Point34°F
      5. Humidity 89%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KGPI Station History
      Almanac for October 14, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 58°F 56°F 75°F 1991
      4. Low 35°F 34°F 25°F 1969
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.5 in -
      7. Snow 0 in 0 in -
      Almanac for October 15, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 57°F 55°F 79°F
      4. Low 31°F 34°F 22°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:55 AM 6:50 PM
      3. Civil Twilight 7:24 AM 7:21 PM
      4. Nautical Twilight 6:48 AM 7:57PM
      5. Astronomical Twilight 6:12 AM 8:33 PM
      1. Length of Visible Light 11h 57m
      2. Length of Day 10h 55m
      3. Tomorrow will be 3 minutes 22 seconds shorter
      1. Moon 12:45 PM 8:26 PM
      2. Waxing Crescent16% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary