267
CDUS45 KTFX 122240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT SEP 12 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 12 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 67 248 PM 91 1953 75 -8 78
1990
2015
MINIMUM 48 214 AM 22 1949 46 2 49
AVERAGE 58 60 -2 64
PRECIPITATION (IN)
TODAY 0.00 0.75 1914 0.03 -0.03 0.00
MONTH TO DATE 0.51 0.41 0.10 T
SINCE OCT 1 12.99 10.85 2.14 11.38
SINCE JAN 1 10.32 9.02 1.30 10.62
DEGREE DAYS
HEATING
TODAY 7 6 1 1
MONTH TO DATE 38 56 -18 11
SINCE SEP 1 38 56 -18 11
SINCE JUL 1 62 119 -57 37
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 8 20 -12 34
SINCE SEP 1 8 20 -12 34
SINCE JAN 1 493 425 68 465
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 600 AM
LOWEST 45 300 PM
AVERAGE 60
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1959
MINIMUM TEMPERATURE (F) 46 27 1949
1970
1974
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 702 AM MDT SUNSET 745 PM MDT
SEPTEMBER 13 2026.....SUNRISE 703 AM MDT SUNSET 743 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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