534
CDUS45 KTFX 290745
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
145 AM MDT TUE SEP 29 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 28 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 337 PM 89 1892 68 3 79
MINIMUM 40 656 AM 19 1965 41 -1 44
AVERAGE 56 54 2 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 1940 0.03 -0.03 0.00
MONTH TO DATE 1.38 0.90 0.48 0.59
SINCE OCT 1 13.86 11.34 2.52 11.97
SINCE JAN 1 11.19 9.51 1.68 11.21
SNOWFALL (IN)
YESTERDAY 0.0 5.6 1925 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.5 -0.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 11 -2 3
MONTH TO DATE 143 187 -44 69
SINCE SEP 1 143 187 -44 69
SINCE JUL 1 167 250 -83 95
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 27 -16 36
SINCE SEP 1 11 27 -16 36
SINCE JAN 1 496 432 64 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 700 AM
LOWEST 23 400 PM
AVERAGE 55
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 1967
2009
MINIMUM TEMPERATURE (F) 40 19 1985
SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE 724 AM MDT SUNSET 711 PM MDT
SEPTEMBER 30 2026.....SUNRISE 725 AM MDT SUNSET 709 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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