Climatological Report (Daily)
Issued by NWS
Issued by NWS
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841
CDUS45 KTFX 172240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT MON AUG 17 2026
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 83 259 PM 101 2023 83 0 82
MINIMUM 51 234 AM 36 2002 50 1 53
AVERAGE 67 67 0 68
PRECIPITATION (IN)
TODAY 0.00 0.91 2021 0.04 -0.04 0.01
MONTH TO DATE 1.18 0.61 0.57 0.42
SINCE OCT 1 15.54 12.82 2.72 10.94
SINCE JAN 1 13.70 10.54 3.16 9.86
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 37 22 15 9
SINCE JUN 1 275 263 12 182
SINCE JUL 1 47 70 -23 39
COOLING
TODAY 2 4 -2 3
MONTH TO DATE 46 84 -38 74
SINCE JUN 1 285 244 41 237
SINCE JAN 1 305 247 58 251
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 400 AM
LOWEST 25 300 PM
AVERAGE 56
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1964
MINIMUM TEMPERATURE (F) 50 40 1987
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 624 AM MDT SUNSET 834 PM MDT
AUGUST 18 2026........SUNRISE 626 AM MDT SUNSET 832 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$