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      Freeze Warning
      until 9:00 AM MDT
      Elev 5344 ft, 43.159 °N 108.529 °W

      Riverton, WY

      Riverton Station35°
      Updated: 11:12 PM MDT on October 15, 2026 (GMT -6)
      2 minutes ago
      55°
      35°
      35
      Feels Like 35
      Clear
      N
      5
      Similar temperature is expected tomorrow
      Wundermap

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       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
        Fri 10/16
        Low 30°f
         18% Precip. / 0 in
        Mainly clear skies. Low around 30F. Winds light and variable.
        Tomorrow
        Sat 10/17
        High 58°f
         6% Precip. / 0 in
        A mainly sunny sky. High 58F. Winds light and variable.
        Tomorrow night
        Sat 10/17
        Low 33°f
         5% Precip. / 0 in
        Mostly clear. Low 33F. Winds light and variable.
        Hourly Forecast
        Now
        37°
        12AM
        36°
        1AM
        35°
        2AM
        34°
        3AM
        35°
        4AM
        33°
        5AM
        32°
        6AM
        32°
        7AM
        31°
        7:29AM
        Sunrise
        8AM
        32°
        9AM
        36°
        10AM
        39°
        11AM
        43°
        12PM
        46°
        1PM
        49°
        2PM
        52°
        3PM
        55°
        4PM
        56°
        5PM
        56°
        6PM
        55°
        6:29PM
        Sunset
        7PM
        51°
        8PM
        47°
        9PM
        44°
        10PM
        43°
        11PM
        42°
        Precipitation
        17%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.7 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point30°F
        5. Humidity 76%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KRIW Station History
        Almanac for October 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 55°F 59°F 81°F 1958
        4. Low 35°F 32°F 18°F 2001
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for October 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 59°F 80°F
        4. Low 30°F 32°F 13°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:28 AM 6:31 PM
        3. Civil Twilight 6:59 AM 6:59 PM
        4. Nautical Twilight 6:26 AM 7:32PM
        5. Astronomical Twilight 5:53 AM 8:05 PM
        1. Length of Visible Light 12h 0m
        2. Length of Day 11h 2m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 12:55 PM 9:14 PM
        2. Waxing Crescent24% 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
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