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      Elev 5344 ft, 43.159 °N 108.529 °W

      Riverton, WY

      Riverton Station72°
      Updated: 4:25 PM MDT on September 23, 2026 (GMT -6)
      just now
      74°
      49°
      72
      Feels Like 71
      Mostly Cloudy
      N
      8
      Similar 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
        Thu 09/24
        Low 47°f
         4% Precip. / 0 in
        Some clouds this evening will give way to mainly clear skies overnight. Low 47F. Winds NW at 5 to 10 mph.
        Tomorrow
        Fri 09/25
        High 76°f
         4% Precip. / 0 in
        Sunny. High 76F. Winds ENE at 5 to 10 mph.
        Tomorrow night
        Fri 09/25
        Low 48°f
         2% Precip. / 0 in
        Partly cloudy skies. Low 48F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        73°
        5PM
        72°
        6PM
        71°
        7PM
        68°
        7:09PM
        Sunset
        8PM
        63°
        9PM
        61°
        10PM
        59°
        11PM
        57°
        12AM
        55°
        1AM
        54°
        2AM
        52°
        3AM
        51°
        4AM
        50°
        5AM
        49°
        6AM
        48°
        7AM
        48°
        7:04AM
        Sunrise
        8AM
        51°
        9AM
        55°
        10AM
        59°
        11AM
        63°
        12PM
        66°
        1PM
        69°
        2PM
        71°
        3PM
        73°
        4PM
        74°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        29
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.86 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point40°F
        5. Humidity 30%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KRIW Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 71°F 84°F 1992
        4. Low 49°F 42°F 20°F 1926
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 70°F 84°F
        4. Low 49°F 41°F 20°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:02 AM 7:09 PM
        3. Civil Twilight 6:34 AM 7:37 PM
        4. Nautical Twilight 6:01 AM 8:10PM
        5. Astronomical Twilight 5:27 AM 8:44 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 56 seconds shorter
        1. Moon 5:51 PM 3:38 AM
        2. Waxing Gibbous92% 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
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