592
CDUS45 KTFX 130747
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
147 AM MDT THU AUG 13 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 12 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 76 403 PM 103 1940 86 -10 95
MINIMUM 58 353 AM 41 1987 54 4 56
AVERAGE 67 70 -3 76
PRECIPITATION (IN)
YESTERDAY 0.05 0.71 1965 0.03 0.02 0.00
MONTH TO DATE 0.05 0.42 -0.37 0.37
SINCE OCT 1 11.19 9.82 1.37 9.73
SINCE JAN 1 8.52 7.99 0.53 8.97
SNOWFALL (IN)
YESTERDAY 0.0 T 1949 0.1 -0.1 0.0
1995
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 7 3 4 11
SINCE JUN 1 181 170 11 134
SINCE JUL 1 14 26 -12 23
COOLING
YESTERDAY 2 6 -4 11
MONTH TO DATE 80 82 -2 52
SINCE JUN 1 370 324 46 292
SINCE JAN 1 390 331 59 317
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1000 PM
LOWEST 33 200 AM
AVERAGE 56
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 2015
MINIMUM TEMPERATURE (F) 54 39 1942
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 624 AM MDT SUNSET 841 PM MDT
AUGUST 14 2026........SUNRISE 625 AM MDT SUNSET 839 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