Climatological Report (Daily)
Issued by NWS
Issued by NWS
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789
CDUS45 KTFX 180732
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT THU SEP 18 2025
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 17 2025...
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)
YESTERDAY
MAXIMUM 73 330 PM 91 2009 70 3 75
MINIMUM 45 633 AM 23 1965 41 4 47
AVERAGE 59 56 3 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.93 1946 0.04 -0.04 0.62
MONTH TO DATE 0.92 0.78 0.14 1.71
SINCE OCT 1 15.81 16.56 -0.75 16.61
SINCE JAN 1 14.44 14.11 0.33 14.15
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 6 10 -4 4
MONTH TO DATE 71 130 -59 46
SINCE SEP 1 71 130 -59 46
SINCE JUL 1 145 276 -131 151
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 14 -3 36
SINCE SEP 1 11 14 -3 36
SINCE JAN 1 163 224 -61 288
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 3.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 35 400 PM
AVERAGE 68
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 90 1966
MINIMUM TEMPERATURE (F) 41 19 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 700 AM MDT SUNSET 723 PM MDT
SEPTEMBER 19 2025.....SUNRISE 701 AM MDT SUNSET 721 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$