


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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971 CDUS45 KTFX 010735 CLILWT CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 135 AM MDT MON SEP 01 2025 ................................... ...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 31 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 84 357 PM 99 2016 77 7 84 MINIMUM 50 541 AM 34 1930 46 4 47 AVERAGE 67 61 6 66 PRECIPITATION (IN) YESTERDAY 0.00 0.72 1973 0.05 -0.05 0.00 MONTH TO DATE 2.38 1.69 0.69 1.11 SINCE OCT 1 14.89 15.78 -0.89 14.90 SINCE JAN 1 13.52 13.33 0.19 12.44 SNOWFALL (IN) YESTERDAY MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 5 -5 0 MONTH TO DATE 23 81 -58 57 SINCE JUN 1 268 372 -104 348 SINCE JUL 1 74 146 -72 105 COOLING YESTERDAY 2 2 0 1 MONTH TO DATE 70 91 -21 95 SINCE JUN 1 149 209 -60 252 SINCE JAN 1 152 210 -58 252 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 4.6 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 300 AM LOWEST 19 300 PM AVERAGE 51 .......................................................... THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 97 1991 MINIMUM TEMPERATURE (F) 46 26 1930 SUNRISE AND SUNSET SEPTEMBER 1 2025.....SUNRISE 638 AM MDT SUNSET 757 PM MDT SEPTEMBER 2 2025.....SUNRISE 639 AM MDT SUNSET 755 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$