930
CDUS45 KTFX 182240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE AUG 18 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 18 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 85 242 PM 100 2001 84 1 87
MINIMUM 60 647 AM 39 1954 53 7 54
1995
AVERAGE 73 68 5 71
PRECIPITATION (IN)
TODAY 0.00 0.79 1912 0.03 -0.03 0.00
MONTH TO DATE 0.57 0.62 -0.05 1.36
SINCE OCT 1 11.71 10.02 1.69 10.72
SINCE JAN 1 9.04 8.19 0.85 9.96
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 11 9 2 11
SINCE JUN 1 185 176 9 134
SINCE JUL 1 18 32 -14 23
COOLING
TODAY 8 5 3 6
MONTH TO DATE 96 113 -17 97
SINCE JUN 1 386 355 31 337
SINCE JAN 1 406 362 44 362
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 2.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 500 AM
LOWEST 22 300 PM
AVERAGE 44
......................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2008
MINIMUM TEMPERATURE (F) 52 34 1995
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 630 AM MDT SUNSET 832 PM MDT
AUGUST 19 2026........SUNRISE 631 AM MDT SUNSET 831 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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