812
CDUS45 KTFX 200734
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
134 AM MDT THU AUG 20 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 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 89 408 PM 98 2008 84 5 95
MINIMUM 51 547 AM 34 1995 52 -1 56
AVERAGE 70 68 2 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 1964 0.03 -0.03 0.00
MONTH TO DATE 0.57 0.65 -0.08 1.36
SINCE OCT 1 11.71 10.05 1.66 10.72
SINCE JAN 1 9.04 8.22 0.82 9.96
SNOWFALL (IN)
YESTERDAY 0.0 T 2019 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 10 1 11
SINCE JUN 1 185 177 8 134
SINCE JUL 1 18 33 -15 23
COOLING
YESTERDAY 5 4 1 11
MONTH TO DATE 101 117 -16 108
SINCE JUN 1 391 359 32 348
SINCE JAN 1 411 366 45 373
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 600 AM
LOWEST 12 300 PM
AVERAGE 43
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 1953
1967
MINIMUM TEMPERATURE (F) 52 39 1916
1956
1995
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 633 AM MDT SUNSET 829 PM MDT
AUGUST 21 2026........SUNRISE 634 AM MDT SUNSET 827 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page