293
CDUS45 KTFX 210739
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MDT FRI AUG 21 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 20 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 94 404 PM 96 1953 84 10 92
1967
MINIMUM 53 621 AM 39 1916 52 1 63
1956
1995
AVERAGE 74 68 6 78
PRECIPITATION (IN)
YESTERDAY 0.00 1.89 1933 0.03 -0.03 0.00
MONTH TO DATE 0.57 0.68 -0.11 1.36
SINCE OCT 1 11.71 10.08 1.63 10.72
SINCE JAN 1 9.04 8.25 0.79 9.96
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1990 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE JUN 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 11 12 -1 11
SINCE JUN 1 185 179 6 134
SINCE JUL 1 18 35 -17 23
COOLING
YESTERDAY 9 4 5 13
MONTH TO DATE 110 121 -11 121
SINCE JUN 1 400 363 37 361
SINCE JAN 1 420 370 50 386
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 4.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 500 AM
LOWEST 13 500 PM
AVERAGE 39
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1991
2005
2011
MINIMUM TEMPERATURE (F) 52 38 1933
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 634 AM MDT SUNSET 827 PM MDT
AUGUST 22 2026........SUNRISE 635 AM MDT SUNSET 825 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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