500
CDUS45 KTFX 280735
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT SUN SEP 28 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 27 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 77 420 PM 88 1963 68 9 84
MINIMUM 40 635 AM 23 1961 41 -1 41
AVERAGE 59 55 4 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.85 1982 0.03 -0.03 0.00
MONTH TO DATE 0.59 0.87 -0.28 1.23
SINCE OCT 1 11.97 11.31 0.66 10.57
SINCE JAN 1 11.21 9.48 1.73 9.05
SNOWFALL (IN)
YESTERDAY 0.0 11.3 1965 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 6 10 -4 2
MONTH TO DATE 66 176 -110 67
SINCE SEP 1 66 176 -110 67
SINCE JUL 1 92 239 -147 79
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 36 27 9 71
SINCE SEP 1 36 27 9 71
SINCE JAN 1 467 432 35 589
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 700 AM
LOWEST 19 300 PM
AVERAGE 36
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1892
MINIMUM TEMPERATURE (F) 41 19 1965
SUNRISE AND SUNSET
SEPTEMBER 28 2025.....SUNRISE 723 AM MDT SUNSET 713 PM MDT
SEPTEMBER 29 2025.....SUNRISE 724 AM MDT SUNSET 711 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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