Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 202240
CLIDLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SUN SEP 20 2026
...................................
...THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1929 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 67 259 PM 86 1946 68 -1 82
MINIMUM 48 809 AM 10 1983 38 10 44
AVERAGE 58 53 5 63
PRECIPITATION (IN)
TODAY T 0.82 1968 0.03 -0.03 0.00
MONTH TO DATE 0.31 0.60 -0.29 0.11
SINCE OCT 1 5.12 9.52 -4.40 4.07
SINCE JAN 1 4.90 8.17 -3.27 3.79
DEGREE DAYS
HEATING
TODAY 7 12 -5 2
MONTH TO DATE 134 175 -41 88
SINCE SEP 1 134 175 -41 88
SINCE JUL 1 189 330 -141 160
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 18
SINCE SEP 1 2 0 2 18
SINCE JAN 1 271 111 160 136
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 1.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 40
AVERAGE 69
..........................................................
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 1987
MINIMUM TEMPERATURE (F) 38 24 1983
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 715 AM MDT SUNSET 731 PM MDT
SEPTEMBER 21 2026.....SUNRISE 716 AM MDT SUNSET 729 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$