870
CDUS45 KTFX 010751
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
151 AM MDT THU OCT 01 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 30 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 70 119 PM 89 1963 67 3 72
MINIMUM 51 1159 PM 21 1950 40 11 51
AVERAGE 61 53 8 62
PRECIPITATION (IN)
YESTERDAY T 1.63 1893 0.03 -0.03 0.01
MONTH TO DATE 1.38 0.96 0.42 0.60
SINCE OCT 1 13.86 11.40 2.46 11.98
SINCE JAN 1 11.19 9.57 1.62 11.22
SNOWFALL (IN)
YESTERDAY 0.0 2.0 1893 0.0 0.0 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 4 12 -8 3
MONTH TO DATE 154 210 -56 72
SINCE SEP 1 154 210 -56 72
SINCE JUL 1 178 273 -95 98
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 28 -17 36
SINCE SEP 1 11 28 -17 36
SINCE JAN 1 496 433 63 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 700 PM
LOWEST 39 200 PM
AVERAGE 57
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1997
2001
MINIMUM TEMPERATURE (F) 40 15 1950
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 727 AM MDT SUNSET 707 PM MDT
OCTOBER 2 2026.......SUNRISE 728 AM MDT SUNSET 706 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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