547
CDUS45 KTFX 200734
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
134 AM MDT SAT SEP 20 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 19 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 77 503 PM 94 2009 72 5 74
MINIMUM 47 608 AM 25 1965 44 3 51
AVERAGE 62 58 4 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.96 1925 0.04 -0.04 0.00
MONTH TO DATE 0.57 0.64 -0.07 1.23
SINCE OCT 1 11.95 11.08 0.87 10.57
SINCE JAN 1 11.19 9.25 1.94 9.05
SNOWFALL (IN)
YESTERDAY 0.0 5.2 1925 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 8 -5 2
MONTH TO DATE 37 103 -66 39
SINCE SEP 1 37 103 -66 39
SINCE JUL 1 63 166 -103 51
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 34 27 7 62
SINCE SEP 1 34 27 7 62
SINCE JAN 1 465 432 33 580
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 800 AM
LOWEST 29 400 PM
AVERAGE 52
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1922
MINIMUM TEMPERATURE (F) 43 20 1983
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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