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      Elev 3970 ft, 47.062 °N 109.434 °W

      Lewistown, MT

      Lewistown Station42°
      Updated: 8:04 AM MDT on September 15, 2026 (GMT -6)
      51 seconds ago
      66°
      40°
      42
      Feels Like 42
      Partly Cloudy
      N
      4
      Higher temperature is expected today
      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
        Today
        Wed 09/16
        High 66°f
         2% Precip. / 0 in
        Partly cloudy. High 66F. Winds SE at 10 to 20 mph.
        Tonight
        Wed 09/16
        Low 41°f
         6% Precip. / 0 in
        Partly cloudy. Low 41F. Winds SE at 10 to 20 mph.
        Tomorrow
        Thu 09/17
        High 63°f44°f
         7% Precip. / 0 in
        Mainly sunny. High 63F. Winds NW at 10 to 15 mph.
        Hourly Forecast
        Now
        45°
        9AM
        49°
        10AM
        54°
        11AM
        57°
        12PM
        60°
        1PM
        62°
        2PM
        64°
        3PM
        65°
        4PM
        65°
        5PM
        65°
        6PM
        64°
        7PM
        61°
        7:29PM
        Sunset
        8PM
        58°
        9PM
        55°
        10PM
        54°
        11PM
        52°
        12AM
        51°
        1AM
        50°
        2AM
        48°
        3AM
        46°
        4AM
        45°
        5AM
        43°
        6AM
        43°
        6:56AM
        Sunrise
        7AM
        42°
        8AM
        43°
        Precipitation
        7%
        Pollen
        None
        Air Quality
        24
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.14 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point39°F
        5. Humidity 80%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KLWT Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 71°F 93°F 1908
        4. Low 40°F 42°F 23°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 70°F 91°F
        4. Low 40°F 42°F 22°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 7:29 PM
        3. Civil Twilight 6:24 AM 7:59 PM
        4. Nautical Twilight 5:48 AM 8:36PM
        5. Astronomical Twilight 5:10 AM 9:13 PM
        1. Length of Visible Light 13h 34m
        2. Length of Day 12h 33m
        3. Tomorrow will be 3 minutes 21 seconds shorter
        1. Moon 12:22 PM 9:01 PM
        2. Waxing Crescent22% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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