298
CDUS45 KTFX 200746
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
146 AM MDT SUN SEP 20 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 19 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 60 MM 94 2009 72 -12 77
MINIMUM 54 MM 25 1965 44 10 47
AVERAGE 57 58 -1 62
PRECIPITATION (IN)
YESTERDAY 0.56 0.96 1925 0.04 0.52 0.00
MONTH TO DATE 1.38 0.64 0.74 0.57
SINCE OCT 1 13.86 11.08 2.78 11.95
SINCE JAN 1 11.19 9.25 1.94 11.19
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 8 8 0 3
MONTH TO DATE 87 103 -16 37
SINCE SEP 1 87 103 -16 37
SINCE JUL 1 111 166 -55 63
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 27 -19 34
SINCE SEP 1 8 27 -19 34
SINCE JAN 1 493 432 61 465
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 60 600 PM
AVERAGE 79
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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 2026.....SUNRISE 712 AM MDT SUNSET 729 PM MDT
SEPTEMBER 21 2026.....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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