308
CDUS45 KTFX 212340
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MST SUN DEC 21 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 21 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 34 359 PM 60 1933 31 3 43
MINIMUM 21 142 AM -32 1990 13 8 24
AVERAGE 28 22 6 34
PRECIPITATION (IN)
TODAY 0.00 0.35 1937 0.01 -0.01 0.00
MONTH TO DATE 0.66 0.31 0.35 0.22
SINCE OCT 1 2.47 1.68 0.79 0.68
SINCE JAN 1 13.69 11.25 2.44 9.73
DEGREE DAYS
HEATING
TODAY 37 43 -6 31
MONTH TO DATE 557 856 -299 631
SINCE DEC 1 557 856 -299 631
SINCE JUL 1 2029 2698 -669 2014
COOLING
TODAY 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 8 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 1000 AM
LOWEST 47 100 PM
AVERAGE 62
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 58 1933
MINIMUM TEMPERATURE (F) 13 -35 1990
2022
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 809 AM MST SUNSET 443 PM MST
DECEMBER 22 2025......SUNRISE 810 AM MST SUNSET 444 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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