566
CDUS45 KTFX 100844
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
144 AM MST WED DEC 10 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 9 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 55 328 AM 59 1957 34 21 38
MINIMUM 37 1148 PM -30 1972 16 21 26
AVERAGE 46 25 21 32
PRECIPITATION (IN)
YESTERDAY 0.01 0.49 1917 0.01 0.00 0.07
MONTH TO DATE 0.13 0.14 -0.01 0.07
SINCE OCT 1 1.94 1.51 0.43 0.53
SINCE JAN 1 13.16 11.08 2.08 9.58
SNOWFALL (IN)
YESTERDAY 0.0 18.0 1906 0.3 -0.3 1.0
MONTH TO DATE 0.9 2.1 -1.2 1.0
SINCE DEC 1 0.9 2.1 -1.2 1.0
SINCE JUL 1 8.1 10.8 -2.7 3.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 40 -21 33
MONTH TO DATE 259 352 -93 267
SINCE DEC 1 259 352 -93 267
SINCE JUL 1 1731 2194 -463 1650
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 16.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 900 AM
LOWEST 38 300 PM
AVERAGE 55
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 63 1939
MINIMUM TEMPERATURE (F) 15 -27 1972
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 802 AM MST SUNSET 440 PM MST
DECEMBER 11 2025......SUNRISE 802 AM MST SUNSET 440 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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