440
CDUS45 KBYZ 300940
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
340 AM MDT WED SEP 30 2026
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 29 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 351 PM 94 2024 68 9 82
MINIMUM 47 629 AM 26 1985 44 3 55
AVERAGE 62 56 6 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.34 1950 0.04 -0.04 0.00
MONTH TO DATE 4.63 1.31 3.32 0.90
SINCE OCT 1 16.28 14.26 2.02 15.66
SINCE JAN 1 12.40 11.72 0.68 14.36
SNOWFALL (IN)
YESTERDAY 0.0 2.3 1961 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.3 -0.3 0.0
SINCE SEP 1 0.0 0.3 -0.3 0.0
SINCE JUL 1 0.0 0.3 -0.3 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 10 -7 0
MONTH TO DATE 95 158 -63 47
SINCE SEP 1 95 158 -63 47
SINCE JUL 1 103 194 -91 63
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 50 62 -12 68
SINCE SEP 1 50 62 -12 68
SINCE JAN 1 837 657 180 653
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 500 AM
LOWEST 36 700 PM
AVERAGE 57
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THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 1963
MINIMUM TEMPERATURE (F) 44 23 1985
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 711 AM MDT SUNSET 656 PM MDT
OCTOBER 1 2026.......SUNRISE 713 AM MDT SUNSET 654 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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