


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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590 CDUS45 KTFX 180732 CLILWT CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 132 AM MDT MON AUG 18 2025 ................................... ...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 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 82 341 PM 98 1906 81 1 87 MINIMUM 52 548 AM 31 1910 50 2 49 AVERAGE 67 65 2 68 PRECIPITATION (IN) YESTERDAY 0.44 0.88 1990 0.06 0.38 0.00 MONTH TO DATE 1.73 0.93 0.80 0.47 SINCE OCT 1 14.24 15.02 -0.78 14.26 SINCE JAN 1 12.87 12.57 0.30 11.80 SNOWFALL (IN) YESTERDAY MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 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 YESTERDAY 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 32 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 4.9 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 PM LOWEST 38 200 PM AVERAGE 66 .......................................................... THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 97 1964 MINIMUM TEMPERATURE (F) 49 33 1902 SUNRISE AND SUNSET AUGUST 18 2025........SUNRISE 619 AM MDT SUNSET 823 PM MDT AUGUST 19 2025........SUNRISE 621 AM MDT SUNSET 821 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$