576
CDUS45 KTFX 202240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT SEP 20 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 83 259 PM 90 1922 72 11 74
MINIMUM 47 639 AM 20 1983 43 4 46
AVERAGE 65 58 7 60
PRECIPITATION (IN)
TODAY 0.00 1.00 1941 0.03 -0.03 0.00
MONTH TO DATE 0.57 0.67 -0.10 1.23
SINCE OCT 1 11.95 11.11 0.84 10.57
SINCE JAN 1 11.19 9.28 1.91 9.05
DEGREE DAYS
HEATING
TODAY 0 8 -8 5
MONTH TO DATE 37 111 -74 44
SINCE SEP 1 37 111 -74 44
SINCE JUL 1 63 174 -111 56
COOLING
TODAY 0 0 0 0
MONTH TO DATE 34 27 7 62
SINCE SEP 1 34 27 7 62
SINCE JAN 1 465 432 33 580
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 1.5
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 400 AM
LOWEST 23 300 PM
AVERAGE 50
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 1966
1967
MINIMUM TEMPERATURE (F) 43 20 1995
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 713 AM MDT SUNSET 729 PM MDT
SEPTEMBER 21 2025.....SUNRISE 714 AM MDT SUNSET 727 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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