457
CDUS45 KTFX 150833
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MST MON DEC 15 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 14 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 40 640 PM 63 1924 32 8 51
MINIMUM 14 830 AM -20 1926 14 0 31
AVERAGE 27 23 4 41
PRECIPITATION (IN)
YESTERDAY 0.00 0.25 2015 0.01 -0.01 0.00
MONTH TO DATE 0.41 0.21 0.20 0.07
SINCE OCT 1 2.22 1.58 0.64 0.53
SINCE JAN 1 13.44 11.15 2.29 9.58
SNOWFALL (IN)
YESTERDAY 0.0 4.0 2015 0.3 -0.3 0.0
MONTH TO DATE 0.9 3.3 -2.4 1.0
SINCE DEC 1 0.9 3.3 -2.4 1.0
SINCE JUL 1 8.1 12.0 -3.9 3.3
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 38 42 -4 24
MONTH TO DATE 428 559 -131 417
SINCE DEC 1 428 559 -131 417
SINCE JUL 1 1900 2401 -501 1800
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 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 95 800 AM
LOWEST 62 200 PM
AVERAGE 79
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 57 1980
MINIMUM TEMPERATURE (F) 14 -25 1924
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 806 AM MST SUNSET 441 PM MST
DECEMBER 16 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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