309
CDUS45 KTFX 132240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT SEP 13 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 13 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 77 105 PM 92 1959 75 2 66
MINIMUM 47 627 AM 27 1949 46 1 49
1970
1974
AVERAGE 62 60 2 58
PRECIPITATION (IN)
TODAY 0.00 0.75 1982 0.03 -0.03 0.01
MONTH TO DATE 0.00 0.44 -0.44 0.99
SINCE OCT 1 11.38 10.88 0.50 10.33
SINCE JAN 1 10.62 9.05 1.57 8.81
DEGREE DAYS
HEATING
TODAY 3 6 -3 7
MONTH TO DATE 14 62 -48 17
SINCE SEP 1 14 62 -48 17
SINCE JUL 1 40 125 -85 29
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 34 21 13 61
SINCE SEP 1 34 21 13 61
SINCE JAN 1 465 426 39 579
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 600 AM
LOWEST 28 300 PM
AVERAGE 52
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 1948
MINIMUM TEMPERATURE (F) 45 18 1970
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.
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