Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 212240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU AUG 21 2025
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 21 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 76 259 PM 97 1969 80 -4 78
MINIMUM 53 553 AM 29 1904 49 4 50
AVERAGE 65 64 1 64
PRECIPITATION (IN)
TODAY 0.00 1.80 1918 0.06 -0.06 0.00
MONTH TO DATE 1.73 1.15 0.58 0.96
SINCE OCT 1 14.24 15.24 -1.00 14.75
SINCE JAN 1 12.87 12.79 0.08 12.29
DEGREE DAYS
HEATING
TODAY 0 3 -3 1
MONTH TO DATE 18 38 -20 28
SINCE JUN 1 263 329 -66 319
SINCE JUL 1 69 103 -34 76
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 61 73 -12 81
SINCE JUN 1 140 191 -51 238
SINCE JAN 1 143 192 -49 238
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 34
AVERAGE 59
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 98 1976
MINIMUM TEMPERATURE (F) 48 34 1992
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 623 AM MDT SUNSET 817 PM MDT
AUGUST 22 2025........SUNRISE 625 AM MDT SUNSET 816 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$