My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 2799 ft, 47.460 °N 114.853 °W

      Plains, MT

      Plains Station58°
      Updated: 4:26 PM MDT on September 26, 2026 (GMT -6)
      17 seconds ago
      62°
      39°
      58
      Feels Like 58
      Partly Cloudy
      N
      9
      Same temperature is expected tomorrow
      Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sun 09/27
        Low 35°f
         4% Precip. / 0 in
        A few passing clouds. Low around 35F. Winds WSW at 5 to 10 mph.
        Tomorrow
        Mon 09/28
        High 61°f
         4% Precip. / 0 in
        Mostly cloudy. High 61F. Winds light and variable.
        Tomorrow night
        Mon 09/28
        Low 37°f
         2% Precip. / 0 in
        Mostly cloudy skies early, then partly cloudy after midnight. Low 37F. Winds light and variable.
        Hourly Forecast
        Now
        60°
        5PM
        59°
        6PM
        58°
        7PM
        55°
        7:28PM
        Sunset
        8PM
        49°
        9PM
        47°
        10PM
        44°
        11PM
        43°
        12AM
        41°
        1AM
        40°
        2AM
        39°
        3AM
        39°
        4AM
        38°
        5AM
        37°
        6AM
        36°
        7AM
        37°
        7:33AM
        Sunrise
        8AM
        36°
        9AM
        39°
        10AM
        42°
        11AM
        47°
        12PM
        50°
        1PM
        53°
        2PM
        56°
        3PM
        58°
        4PM
        59°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        27
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.05 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point30°F
        5. Humidity 32%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KTHM Station History
        Almanac for September 26, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 62°F 73°F 91°F 1952
        4. Low 39°F 39°F 21°F 1926
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 61°F 72°F 93°F
        4. Low 39°F 39°F 21°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:31 AM 7:28 PM
        3. Civil Twilight 7:01 AM 7:59 PM
        4. Nautical Twilight 6:25 AM 8:34PM
        5. Astronomical Twilight 5:48 AM 9:11 PM
        1. Length of Visible Light 12h 57m
        2. Length of Day 11h 56m
        3. Tomorrow will be 3 minutes 24 seconds shorter
        1. Moon 7:14 PM 7:33 AM
        2. Full99% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        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