Climatological Report (Daily)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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820
CDUS45 KMSO 170737
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT THU SEP 17 2026
...................................
...THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 16 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 351 PM 91 1937 73 -2 78
2009
MINIMUM 41 551 AM 27 1970 42 -1 45
AVERAGE 56 58 -2 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1947 0.03 -0.03 T
MONTH TO DATE 1.96 0.52 1.44 0.19
SINCE OCT 1 16.80 13.67 3.13 10.53
SINCE JAN 1 11.59 10.23 1.36 8.96
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE SEP 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 8 1 3
MONTH TO DATE 114 91 23 22
SINCE SEP 1 114 91 23 22
SINCE JUL 1 141 177 -36 56
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 11 -9 53
SINCE SEP 1 2 11 -9 53
SINCE JAN 1 390 303 87 440
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 42 300 PM
AVERAGE 68
..........................................................
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1981
MINIMUM TEMPERATURE (F) 42 24 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 717 AM MDT SUNSET 744 PM MDT
SEPTEMBER 18 2026.....SUNRISE 718 AM MDT SUNSET 742 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$