555
CDUS45 KTFX 170759
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
159 AM MDT SAT MAY 17 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 16 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 58 123 PM 87 1988 63 -5 73
MINIMUM 38 1153 PM 26 1986 38 0 43
AVERAGE 48 50 -2 58
PRECIPITATION (IN)
YESTERDAY 0.08 1.29 1981 0.09 -0.01 0.00
MONTH TO DATE 2.07 1.21 0.86 3.23
SINCE OCT 1 6.24 7.31 -1.07 9.85
SINCE JAN 1 4.87 4.86 0.01 7.39
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 17 15 2 7
MONTH TO DATE 216 280 -64 298
SINCE MAR 1 1781 2000 -219 2021
SINCE JUL 1 7343 7766 -423 7253
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE MAR 1 2 0 2 0
SINCE JAN 1 2 0 2 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 900 PM
LOWEST 51 200 PM
AVERAGE 72
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 87 1948
MINIMUM TEMPERATURE (F) 38 27 1930
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 540 AM MDT SUNSET 850 PM MDT
MAY 18 2025...........SUNRISE 538 AM MDT SUNSET 851 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