875
CDUS45 KTFX 180731
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT FRI SEP 18 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 406 PM 90 1998 73 3 74
MINIMUM 44 618 AM 20 1965 44 0 45
AVERAGE 60 59 1 60
PRECIPITATION (IN)
YESTERDAY T 0.98 1908 0.03 -0.03 0.00
MONTH TO DATE 0.73 0.57 0.16 0.57
SINCE OCT 1 13.21 11.01 2.20 11.95
SINCE JAN 1 10.54 9.18 1.36 11.19
SNOWFALL (IN)
YESTERDAY 0.0 3.4 1988 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 5 7 -2 5
MONTH TO DATE 78 88 -10 31
SINCE SEP 1 78 88 -10 31
SINCE JUL 1 102 151 -49 57
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 25 -17 34
SINCE SEP 1 8 25 -17 34
SINCE JAN 1 493 430 63 465
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 37 400 PM
AVERAGE 65
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1966
MINIMUM TEMPERATURE (F) 44 19 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 710 AM MDT SUNSET 733 PM MDT
SEPTEMBER 19 2026.....SUNRISE 711 AM MDT SUNSET 731 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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