430
CDUS45 KRIW 260045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU JUN 25 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 25 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 12:13 PM 100 2012 84 -10 80
MINIMUM 53 4:34 AM 38 1993 48 5 50
2023
AVERAGE 64 66 -2 65
PRECIPITATION (IN)
TODAY 0.48 1.09 2021 0.04 0.44 T
MONTH TO DATE 0.55 1.15 -0.60 0.52
SINCE JUN 1 0.55 1.15 -0.60 0.52
SINCE JAN 1 4.20 6.66 -2.46 5.44
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 29.6 71.8 -42.2 26.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 1 2 -1 0
MONTH TO DATE 85 117 -32 91
SINCE JUN 1 85 117 -32 91
SINCE JUL 1 5833 7477 -1644 7022
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 25 36 -11 51
SINCE JUN 1 25 36 -11 51
SINCE JAN 1 26 40 -14 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 44
AVERAGE 71
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 1994
MINIMUM TEMPERATURE (F) 48 37 2000
SUNRISE AND SUNSET
JUNE 25 2026..........SUNRISE 5:28 AM MDT SUNSET 8:49 PM MDT
JUNE 26 2026..........SUNRISE 5:29 AM MDT SUNSET 8:49 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page