531
CDUS45 KTFX 170740
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
140 AM MDT SUN AUG 17 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 247 PM 99 2022 85 5 85
MINIMUM 55 533 AM 42 1905 53 2 53
1954
AVERAGE 73 69 4 69
PRECIPITATION (IN)
YESTERDAY 0.85R 0.79 1932 0.04 0.81 0.00
MONTH TO DATE 1.22 0.56 0.66 0.31
SINCE OCT 1 10.58 9.96 0.62 8.89
SINCE JAN 1 9.82 8.13 1.69 7.37
SNOWFALL (IN)
YESTERDAY 0.0 T 1954 0.0 0.0 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 11 7 4 0
SINCE JUN 1 134 174 -40 88
SINCE JUL 1 23 30 -7 2
COOLING
YESTERDAY 8 5 3 4
MONTH TO DATE 89 103 -14 96
SINCE JUN 1 329 345 -16 447
SINCE JAN 1 354 352 2 447
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1100 PM
LOWEST 19 300 PM
AVERAGE 52
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 102 2023
MINIMUM TEMPERATURE (F) 53 38 1985
2002
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 629 AM MDT SUNSET 834 PM MDT
AUGUST 18 2025........SUNRISE 631 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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