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      Elev 5068 ft, 43.121 °N 108.359 °W

      Riverton, WY

      Riverton Station
      Updated: 9:34 AM MDT on August 21, 2026 (GMT -6)
      9 minutes ago
      96°
      56°
      76
      Feels Like 75
      Sunny
      N
      5
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Sat 08/22
      High 96°f
      8% Precip. / 0 in
      Sunshine to start, then a few afternoon clouds. High 96F. Winds NE at 5 to 10 mph.
      Tonight
      Sat 08/22
      Low 68°f
      3% Precip. / 0 in
      Cloudy skies. Low 68F. Winds N at 5 to 10 mph.
      Tomorrow
      Sun 08/23
      High 90°f62°f
      15% Precip. / 0 in
      Cloudy skies early, then partly cloudy in the afternoon. A stray shower or thunderstorm is possible. High around 90F. Winds NE at 5 to 10 mph.
      Hourly Forecast
      Now
      77°
      10AM
      78°
      11AM
      82°
      12PM
      87°
      1PM
      88°
      2PM
      92°
      3PM
      94°
      4PM
      92°
      5PM
      92°
      6PM
      91°
      7PM
      88°
      8PM
      85°
      8:06PM
      Sunset
      9PM
      82°
      10PM
      79°
      11PM
      78°
      12AM
      76°
      1AM
      75°
      2AM
      74°
      3AM
      73°
      4AM
      71°
      5AM
      70°
      6AM
      69°
      6:26AM
      Sunrise
      7AM
      69°
      8AM
      72°
      9AM
      73°
      Precipitation
      9%
      Pollen
      Grass Pollen
      Moderate
      Air Quality
      17
      Good
      UV Index
      3
      Moderate
      Additional Conditions
      1. Pressure 29.97 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point40°F
      5. Humidity 27%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KRIW Station History
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 96°F 85°F 99°F 2025
      4. Low 56°F 51°F 35°F 1974
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 22, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 90°F 84°F 98°F
      4. Low 56°F 51°F 36°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:25 AM 8:06 PM
      3. Civil Twilight 5:55 AM 8:36 PM
      4. Nautical Twilight 5:19 AM 9:12PM
      5. Astronomical Twilight 4:39 AM 9:52 PM
      1. Length of Visible Light 14h 40m
      2. Length of Day 13h 40m
      3. Tomorrow will be 2 minutes 43 seconds shorter
      1. Moon 4:21 PM -
      2. Waxing Gibbous67% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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