241
CDUS45 KTFX 150731
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT FRI MAY 15 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 14 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 63 317 PM 95 1936 64 -1 55
MINIMUM 42 1159 PM 26 2004 38 4 43
AVERAGE 53 51 2 49
PRECIPITATION (IN)
YESTERDAY 0.00 0.43 1942 0.07 -0.07 0.15
1998
MONTH TO DATE 0.50 0.84 -0.34 1.56
SINCE OCT 1 6.22 6.67 -0.45 6.32
SINCE JAN 1 4.38 4.39 -0.01 5.24
SNOWFALL (IN)
YESTERDAY 0.0 0.8 1955 0.0 0.0 0.0
MONTH TO DATE T 1.3 -1.3 0.0
SINCE MAR 1 25.0 20.8 4.2 5.2
SINCE JUL 1 41.6 65.2 -23.6 47.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 14 -2 16
MONTH TO DATE 145 227 -82 143
SINCE MAR 1 1581 1863 -282 1543
SINCE JUL 1 5824 7333 -1509 6842
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 2
SINCE MAR 1 3 0 3 2
SINCE JAN 1 3 0 3 2
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WIND (MPH)
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 26.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
SANDSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 100 AM
LOWEST 26 200 PM
AVERAGE 41
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 93 1897
MINIMUM TEMPERATURE (F) 38 28 1929
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 548 AM MDT SUNSET 856 PM MDT
MAY 16 2026...........SUNRISE 547 AM MDT SUNSET 857 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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