908
CDUS45 KTFX 100735
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT SUN MAY 10 2026
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 9 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 66 441 PM 85 1987 63 3 79
MINIMUM 45 1159 PM 24 1990 36 9 39
AVERAGE 56 49 7 59
PRECIPITATION (IN)
YESTERDAY 0.23 0.96 1983 0.06 0.17 0.00
MONTH TO DATE 0.31 0.50 -0.19 1.31
SINCE OCT 1 6.03 6.33 -0.30 6.07
SINCE JAN 1 4.19 4.05 0.14 4.99
SNOWFALL (IN)
YESTERDAY 0.0 7.0 1983 0.1 -0.1 0.0
MONTH TO DATE T 1.0 -1.0 0.0
SINCE MAR 1 25.0 20.5 4.5 5.2
SINCE JUL 1 41.6 64.9 -23.3 47.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 16 -7 6
MONTH TO DATE 116 154 -38 99
SINCE MAR 1 1552 1790 -238 1499
SINCE JUL 1 5795 7260 -1465 6798
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 1 0 1 0
SINCE JAN 1 1 0 1 0
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 38 400 PM
AVERAGE 67
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 88 1936
MINIMUM TEMPERATURE (F) 36 21 2004
SUNRISE AND SUNSET
MAY 10 2026...........SUNRISE 555 AM MDT SUNSET 850 PM MDT
MAY 11 2026...........SUNRISE 554 AM MDT SUNSET 851 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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