491
CDUS45 KTFX 310748
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
148 AM MDT SUN MAY 31 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 30 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 939 AM 93 1933 68 -7 79
1936
MINIMUM 49 1159 PM 31 1917 43 6 48
AVERAGE 55 56 -1 64
PRECIPITATION (IN)
YESTERDAY 1.26 1.88 1998 0.11 1.15 0.00
MONTH TO DATE 2.23 2.32 -0.09 2.54
SINCE OCT 1 7.95 8.15 -0.20 7.30
SINCE JAN 1 6.11 5.87 0.24 6.22
SNOWFALL (IN)
YESTERDAY 0.0 T 1982 0.0 0.0 0.0
1998
2015
MONTH TO DATE 0.1 1.9 -1.8 T
SINCE MAR 1 25.1 21.4 3.7 5.2
SINCE JUL 1 41.7 65.8 -24.1 47.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 10 0 1
MONTH TO DATE 312 411 -99 309
SINCE MAR 1 1748 2047 -299 1709
SINCE JUL 1 5991 7517 -1526 7008
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 19 0 19 10
SINCE MAR 1 20 0 20 10
SINCE JAN 1 20 0 20 10
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.5
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 97 1200 PM
LOWEST 77 800 AM
AVERAGE 87
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 1936
1972
MINIMUM TEMPERATURE (F) 43 28 1917
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 533 AM MDT SUNSET 914 PM MDT
JUNE 1 2026..........SUNRISE 532 AM MDT SUNSET 915 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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