452
CDUS45 KTFX 170739
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MDT TUE MAR 17 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MARCH 16 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 50 910 PM 70 1994 48 2 57
MINIMUM 19 1208 AM -10 1906 25 -6 28
AVERAGE 35 36 -1 43
PRECIPITATION (IN)
YESTERDAY T 0.37 1922 0.02 -0.02 0.04
MONTH TO DATE 1.02 0.23 0.79 0.06
SINCE OCT 1 4.64 2.87 1.77 3.00
SINCE JAN 1 1.97 1.04 0.93 2.24
SNOWFALL (IN)
YESTERDAY T 4.2 1903 0.2 -0.2 0.0
MONTH TO DATE 8.3 2.7 5.6 T
SINCE MAR 1 8.3 2.7 5.6 T
SINCE JUL 1 21.3 32.3 -11.0 35.8
SNOW DEPTH 5
DEGREE DAYS
HEATING
YESTERDAY 30 29 1 22
MONTH TO DATE 453 503 -50 382
SINCE MAR 1 453 503 -50 382
SINCE JUL 1 4745 5997 -1252 5454
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 800 AM
LOWEST 54 900 PM
AVERAGE 70
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 71 2007
MINIMUM TEMPERATURE (F) 25 -9 1906
SUNRISE AND SUNSET
MARCH 17 2026.........SUNRISE 737 AM MDT SUNSET 737 PM MDT
MARCH 18 2026.........SUNRISE 735 AM MDT SUNSET 738 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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