913
CDUS45 KTFX 140851
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
151 AM MST SUN DEC 14 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 13 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 29 344 PM 58 1924 33 -4 41
MINIMUM 17 643 AM -22 1919 14 3 22
AVERAGE 23 24 -1 32
PRECIPITATION (IN)
YESTERDAY 0.00 0.48 1917 0.02 -0.02 0.00
MONTH TO DATE 0.41 0.20 0.21 0.07
SINCE OCT 1 2.22 1.57 0.65 0.53
SINCE JAN 1 13.44 11.14 2.30 9.58
SNOWFALL (IN)
YESTERDAY 0.0 9.8 1991 0.2 -0.2 0.0
MONTH TO DATE 0.9 3.0 -2.1 1.0
SINCE DEC 1 0.9 3.0 -2.1 1.0
SINCE JUL 1 8.1 11.7 -3.6 3.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 42 42 0 33
MONTH TO DATE 390 517 -127 393
SINCE DEC 1 390 517 -127 393
SINCE JUL 1 1862 2359 -497 1776
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 467 433 34 590
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 1.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 900 PM
LOWEST 66 1200 PM
AVERAGE 77
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 63 1924
MINIMUM TEMPERATURE (F) 14 -20 1926
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 805 AM MST SUNSET 441 PM MST
DECEMBER 15 2025......SUNRISE 806 AM MST SUNSET 441 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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