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CDUS45 KTFX 172240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT MON AUG 17 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 83 259 PM 102 2023 85 -2 76
MINIMUM 55 614 AM 38 1985 53 2 58
2002
AVERAGE 69 69 0 67
PRECIPITATION (IN)
TODAY 0.00 0.74 2021 0.03 -0.03 0.14
MONTH TO DATE 0.57 0.59 -0.02 1.36
SINCE OCT 1 11.71 9.99 1.72 10.72
SINCE JAN 1 9.04 8.16 0.88 9.96
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 11 8 3 11
SINCE JUN 1 185 175 10 134
SINCE JUL 1 18 31 -13 23
COOLING
TODAY 4 5 -1 2
MONTH TO DATE 87 108 -21 91
SINCE JUN 1 377 350 27 331
SINCE JAN 1 397 357 40 356
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 600 AM
LOWEST 28 300 PM
AVERAGE 53
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 2001
MINIMUM TEMPERATURE (F) 53 39 1954
1995
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 629 AM MDT SUNSET 834 PM MDT
AUGUST 18 2026........SUNRISE 630 AM MDT SUNSET 832 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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