570
CDUS45 KBYZ 182240
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
440 PM MDT THU SEP 18 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 259 PM 92 1937 73 4 61
1984
MINIMUM 48 650 AM 28 1971 48 0 50
AVERAGE 63 61 2 56
PRECIPITATION (IN)
TODAY 0.00 1.97 1978 0.04 -0.04 1.23
MONTH TO DATE 0.71 0.76 -0.05 1.72
SINCE OCT 1 15.47 13.71 1.76 13.05
SINCE JAN 1 14.17 11.17 3.00 10.66
SNOWFALL (IN)
TODAY MM 2.8 1983 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 2 6 -4 9
MONTH TO DATE 28 69 -41 21
SINCE SEP 1 28 69 -41 21
SINCE JUL 1 44 105 -61 35
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 51 50 1 82
SINCE SEP 1 51 50 1 82
SINCE JAN 1 636 645 -9 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 28 300 PM
AVERAGE 61
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1981
2009
MINIMUM TEMPERATURE (F) 48 26 1983
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 657 AM MDT SUNSET 719 PM MDT
SEPTEMBER 19 2025.....SUNRISE 658 AM MDT SUNSET 717 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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