168
CDUS45 KTFX 172240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT WED SEP 17 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 17 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 73 259 PM 90 1998 73 0 62
MINIMUM 45 706 AM 20 1965 44 1 50
AVERAGE 59 59 0 56
PRECIPITATION (IN)
TODAY 0.00 0.98 1908 0.03 -0.03 0.19
MONTH TO DATE 0.57 0.57 0.00 1.19
SINCE OCT 1 11.95 11.01 0.94 10.53
SINCE JAN 1 11.19 9.18 2.01 9.01
DEGREE DAYS
HEATING
TODAY 6 7 -1 9
MONTH TO DATE 32 88 -56 32
SINCE SEP 1 32 88 -56 32
SINCE JUL 1 58 151 -93 44
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 34 25 9 62
SINCE SEP 1 34 25 9 62
SINCE JAN 1 465 430 35 580
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 2.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 44 300 PM
AVERAGE 70
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1966
MINIMUM TEMPERATURE (F) 44 19 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 709 AM MDT SUNSET 735 PM MDT
SEPTEMBER 18 2025.....SUNRISE 710 AM MDT SUNSET 733 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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