490
CDUS45 KTFX 310748
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
148 AM MDT SUN MAY 31 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 30 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 60 110 AM 92 1986 70 -10 83
MINIMUM 51 1153 PM 29 1977 46 5 59
AVERAGE 56 58 -2 71
PRECIPITATION (IN)
YESTERDAY 0.97R 0.82 1988 0.09 0.88 0.00
MONTH TO DATE 1.55 1.86 -0.31 3.64
SINCE OCT 1 7.64 6.04 1.60 7.31
SINCE JAN 1 4.97 4.21 0.76 6.55
SNOWFALL (IN)
YESTERDAY 0.0 3.1 1917 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 9 8 1 0
MONTH TO DATE 284 343 -59 256
SINCE MAR 1 1584 1855 -271 1490
SINCE JUL 1 5876 7349 -1473 6562
COOLING
YESTERDAY 0 0 0 6
MONTH TO DATE 20 0 20 19
SINCE MAR 1 20 0 20 19
SINCE JAN 1 20 0 20 19
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 PM
LOWEST 67 1200 AM
AVERAGE 82
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 2025
MINIMUM TEMPERATURE (F) 46 27 1917
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 539 AM MDT SUNSET 913 PM MDT
JUNE 1 2026..........SUNRISE 538 AM MDT SUNSET 914 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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