910
CDUS45 KTFX 302240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE SEP 30 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 30 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 1235 PM 93 1906 64 17 55
MINIMUM 49 438 AM 17 1985 37 12 32
AVERAGE 65 50 15 44
PRECIPITATION (IN)
TODAY 0.00 1.14 2022 0.05 -0.05 0.00
MONTH TO DATE 0.95 1.39 -0.44 6.07
SINCE OCT 1 15.84 17.17 -1.33 20.97
SINCE JAN 1 14.47 14.72 -0.25 18.51
DEGREE DAYS
HEATING
TODAY 0 15 -15 21
MONTH TO DATE 133 291 -158 141
SINCE SEP 1 133 291 -158 141
SINCE JUL 1 207 437 -230 246
COOLING
TODAY 0 0 0 0
MONTH TO DATE 11 18 -7 46
SINCE SEP 1 11 18 -7 46
SINCE JAN 1 163 228 -65 298
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 26
AVERAGE 52
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 90 2011
MINIMUM TEMPERATURE (F) 37 15 1950
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 716 AM MDT SUNSET 659 PM MDT
OCTOBER 1 2025.......SUNRISE 717 AM MDT SUNSET 657 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page