My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 3504 ft, 47.495 °N 111.237 °W

      Great Falls, MT

      Great Falls Station74°
      Updated: 12:06 PM MDT on September 21, 2026 (GMT -6)
      8 minutes ago
      81°
      47°
      74
      Feels Like 73
      Sunny
      N
      6
      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
        Tue 09/22
        High 81°f
         0% Precip. / 0 in
        Sunny. High 81F. Winds light and variable.
        Tonight
        Tue 09/22
        Low 49°f
         3% Precip. / 0 in
        Clear skies. Low 49F. Winds S at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 82°f55°f
         3% Precip. / 0 in
        Generally sunny despite a few afternoon clouds. High 82F. Winds WSW at 5 to 10 mph.
        Hourly Forecast
        Now
        74°
        1PM
        76°
        2PM
        78°
        3PM
        80°
        4PM
        80°
        5PM
        80°
        6PM
        79°
        7PM
        74°
        7:24PM
        Sunset
        8PM
        69°
        9PM
        65°
        10PM
        63°
        11PM
        60°
        12AM
        59°
        1AM
        57°
        2AM
        56°
        3AM
        54°
        4AM
        53°
        5AM
        52°
        6AM
        51°
        7AM
        50°
        7:12AM
        Sunrise
        8AM
        52°
        9AM
        58°
        10AM
        64°
        11AM
        70°
        12PM
        74°
        Precipitation
        3%
        Pollen
        None
        Air Quality
        53
        Moderate
        UV Index
        4
        Moderate
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point48°F
        5. Humidity 40%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGFA Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 70°F 90°F 1917
        4. Low 47°F 41°F 20°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 69°F 91°F
        4. Low 47°F 41°F 24°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:10 AM 7:24 PM
        3. Civil Twilight 6:39 AM 7:55 PM
        4. Nautical Twilight 6:03 AM 8:31PM
        5. Astronomical Twilight 5:26 AM 9:08 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 13m
        3. Tomorrow will be 3 minutes 24 seconds shorter
        1. Moon 5:29 PM 1:17 AM
        2. Waxing Gibbous78% 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
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary