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      Elev 5068 ft, 43.121 °N 108.359 °W

      Riverton, WY

      Riverton Station70°
      Updated: 4:13 PM MDT on October 20, 2026 (GMT -6)
      19 seconds ago
      71°
      34°
      70
      Feels Like 70
      Sunny
      N
      5
      Same 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
        Wed 10/21
        Low 39°f
         5% Precip. / 0 in
        Partly cloudy. Low 39F. Winds light and variable.
        Tomorrow
        Thu 10/22
        High 70°f
         5% Precip. / 0 in
        Some clouds in the morning will give way to mainly sunny skies for the afternoon. High around 70F. Winds light and variable.
        Tomorrow night
        Thu 10/22
        Low 43°f
         7% Precip. / 0 in
        Partly cloudy. Low 43F. Winds SW at 10 to 15 mph.
        Hourly Forecast
        Now
        70°
        5PM
        69°
        6PM
        66°
        6:22PM
        Sunset
        7PM
        61°
        8PM
        56°
        9PM
        53°
        10PM
        52°
        11PM
        50°
        12AM
        49°
        1AM
        49°
        2AM
        47°
        3AM
        46°
        4AM
        44°
        5AM
        42°
        6AM
        42°
        7AM
        40°
        7:34AM
        Sunrise
        8AM
        40°
        9AM
        47°
        10AM
        50°
        11AM
        55°
        12PM
        58°
        1PM
        62°
        2PM
        65°
        3PM
        67°
        4PM
        68°
        Precipitation
        5%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        25
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point35°F
        5. Humidity 27%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KRIW Station History
        Almanac for October 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 57°F 79°F 1947
        4. Low 34°F 29°F 3°F 1932
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.8 in -
        7. Snow 0 in 0 in -
        Almanac for October 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 57°F 79°F
        4. Low 39°F 28°F 7°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:33 AM 6:22 PM
        3. Civil Twilight 7:04 AM 6:51 PM
        4. Nautical Twilight 6:31 AM 7:24PM
        5. Astronomical Twilight 5:58 AM 7:57 PM
        1. Length of Visible Light 11h 46m
        2. Length of Day 10h 49m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 3:52 PM 1:20 AM
        2. Waxing Gibbous71% of the Moon is Illuminated
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
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