Climatological Report (Daily)
Issued by NWS
Issued by NWS
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940
CDUS45 KTFX 132240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT WED AUG 13 2025
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 13 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 92 259 PM 97 1973 82 10 85
2003
2015
MINIMUM 54 545 AM 36 1916 51 3 49
AVERAGE 73 66 7 67
PRECIPITATION (IN)
TODAY 0.00 0.58 1944 0.05 -0.05 0.30
MONTH TO DATE 1.19 0.69 0.50 0.46
SINCE OCT 1 13.70 14.78 -1.08 14.25
SINCE JAN 1 12.33 12.33 0.00 11.79
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 18 18 0 24
SINCE JUN 1 263 309 -46 315
SINCE JUL 1 69 83 -14 72
COOLING
TODAY 8 3 5 2
MONTH TO DATE 26 51 -25 51
SINCE JUN 1 105 169 -64 208
SINCE JAN 1 108 170 -62 208
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80
LOWEST 16
AVERAGE 48
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 101 1929
MINIMUM TEMPERATURE (F) 50 36 1995
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 613 AM MDT SUNSET 831 PM MDT
AUGUST 14 2025........SUNRISE 614 AM MDT SUNSET 830 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$