Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 172240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SUN AUG 17 2025
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 17 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 82 234 PM 98 1906 81 1 87
MINIMUM 52 548 AM 31 1910 50 2 49
AVERAGE 67 65 2 68
PRECIPITATION (IN)
TODAY 0.00 0.88 1990 0.06 -0.06 0.00
MONTH TO DATE 1.29 0.93 0.36 0.47
SINCE OCT 1 13.80 15.02 -1.22 14.26
SINCE JAN 1 12.43 12.57 -0.14 11.80
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 18 26 -8 27
SINCE JUN 1 263 317 -54 318
SINCE JUL 1 69 91 -22 75
COOLING
TODAY 2 3 -1 3
MONTH TO DATE 41 63 -22 60
SINCE JUN 1 120 181 -61 217
SINCE JAN 1 123 182 -59 217
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 38
AVERAGE 66
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1964
MINIMUM TEMPERATURE (F) 49 33 1902
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 618 AM MDT SUNSET 825 PM MDT
AUGUST 18 2025........SUNRISE 619 AM MDT SUNSET 823 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$