133
CDUS45 KTFX 112341
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
441 PM MST THU DEC 11 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 11 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 59R 524 AM 59 2004 33 26 40
MINIMUM 39 359 PM -22 1922 15 24 32
1961
AVERAGE 49 24 25 36
PRECIPITATION (IN)
TODAY 0.00 0.78 1917 0.01 -0.01 0.00
MONTH TO DATE 0.14 0.17 -0.03 0.07
SINCE OCT 1 1.95 1.54 0.41 0.53
SINCE JAN 1 13.17 11.11 2.06 9.58
DEGREE DAYS
HEATING
TODAY 16 41 -25 29
MONTH TO DATE 292 434 -142 325
SINCE DEC 1 292 434 -142 325
SINCE JUL 1 1764 2276 -512 1708
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 40 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 64 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 19.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 400 PM
LOWEST 28 400 AM
AVERAGE 49
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 62 1921
2014
MINIMUM TEMPERATURE (F) 15 -23 1917
1922
SUNRISE AND SUNSET
DECEMBER 11 2025......SUNRISE 802 AM MST SUNSET 440 PM MST
DECEMBER 12 2025......SUNRISE 803 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page