392
CDUS45 KTFX 160735
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT WED SEP 16 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 15 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 70 349 PM 94 2000 74 -4 69
MINIMUM 39 639 AM 22 1970 45 -6 47
AVERAGE 55 59 -4 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.02 2017 0.04 -0.04 0.06
MONTH TO DATE 0.73 0.51 0.22 0.49
SINCE OCT 1 13.21 10.95 2.26 11.87
SINCE JAN 1 10.54 9.12 1.42 11.11
SNOWFALL (IN)
YESTERDAY 0.0 1.4 1965 0.0 0.0 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 0.0 0.3 -0.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 6 4 7
MONTH TO DATE 66 74 -8 23
SINCE SEP 1 66 74 -8 23
SINCE JUL 1 90 137 -47 49
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 23 -15 34
SINCE SEP 1 8 23 -15 34
SINCE JAN 1 493 428 65 465
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 400 AM
LOWEST 28 400 PM
AVERAGE 57
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 2009
MINIMUM TEMPERATURE (F) 45 27 1965
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 707 AM MDT SUNSET 737 PM MDT
SEPTEMBER 17 2026.....SUNRISE 709 AM MDT SUNSET 735 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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