673
CDUS45 KTFX 130733
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MDT SAT SEP 13 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 12 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 146 PM 91 1953 75 3 62
1990
2015
MINIMUM 49 617 AM 22 1949 46 3 52
AVERAGE 64 60 4 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 1914 0.03 -0.03 0.13
MONTH TO DATE 0.00 0.41 -0.41 0.98
SINCE OCT 1 11.38 10.85 0.53 10.32
SINCE JAN 1 10.62 9.02 1.60 8.80
SNOWFALL (IN)
YESTERDAY 0.0 2.4 1896 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 1 6 -5 8
MONTH TO DATE 11 56 -45 10
SINCE SEP 1 11 56 -45 10
SINCE JUL 1 37 119 -82 22
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 34 20 14 61
SINCE SEP 1 34 20 14 61
SINCE JAN 1 465 425 40 579
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 800 AM
LOWEST 28 300 PM
AVERAGE 56
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1959
MINIMUM TEMPERATURE (F) 46 27 1949
1970
1974
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 704 AM MDT SUNSET 743 PM MDT
SEPTEMBER 14 2025.....SUNRISE 705 AM MDT SUNSET 741 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page