342
CDUS45 KTFX 152240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE SEP 15 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 15 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 69 259 PM 94 2000 74 -5 69
MINIMUM 39 639 AM 22 1970 45 -6 47
AVERAGE 54 59 -5 58
PRECIPITATION (IN)
TODAY 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
DEGREE DAYS
HEATING
TODAY 11 6 5 7
MONTH TO DATE 67 74 -7 23
SINCE SEP 1 67 74 -7 23
SINCE JUL 1 91 137 -46 49
COOLING
TODAY 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 9 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 400 AM
LOWEST 31 300 PM
AVERAGE 59
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 2009
MINIMUM TEMPERATURE (F) 45 27 1965
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 706 AM MDT SUNSET 739 PM MDT
SEPTEMBER 16 2026.....SUNRISE 707 AM MDT SUNSET 737 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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