113
CDUS45 KTFX 210731
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT THU MAY 21 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 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 61 1050 AM 90 2002 68 -7 63
MINIMUM 34 506 AM 28 1959 43 -9 39
2021
AVERAGE 48 55 -7 51
PRECIPITATION (IN)
YESTERDAY 0.15 1.78 1957 0.07 0.08 0.00
MONTH TO DATE 0.25 1.05 -0.80 3.37
SINCE OCT 1 6.34 5.23 1.11 7.04
SINCE JAN 1 3.67 3.40 0.27 6.28
SNOWFALL (IN)
YESTERDAY 0.0 1.1 1987 0.0 0.0 0.0
MONTH TO DATE T 0.1 -0.1 0.0
SINCE MAR 1 9.3 7.6 1.7 1.0
SINCE JUL 1 22.3 37.2 -14.9 36.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 10 7 14
MONTH TO DATE 238 256 -18 208
SINCE MAR 1 1538 1768 -230 1442
SINCE JUL 1 5830 7262 -1432 6514
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 4
SINCE MAR 1 1 0 1 4
SINCE JAN 1 1 0 1 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 600 PM
LOWEST 36 1100 AM
AVERAGE 63
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1980
MINIMUM TEMPERATURE (F) 43 27 1953
2021
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 547 AM MDT SUNSET 903 PM MDT
MAY 22 2026...........SUNRISE 546 AM MDT SUNSET 904 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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