Climatological Report (Daily)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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CDUS45 KMSO 212230
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT THU AUG 21 2025
...................................
...THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 259 PM 100 1969 83 3 81
MINIMUM 52 609 AM 36 1904 49 3 53
AVERAGE 69 66 3 67
PRECIPITATION (IN)
TODAY 0.00 0.66 1933 0.03 -0.03 0.00
MONTH TO DATE 0.62 0.54 0.08 0.48
SINCE OCT 1 10.04 12.86 -2.82 10.19
SINCE JAN 1 8.47 9.42 -0.95 7.99
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE JUN 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 13 22 -9 0
SINCE JUN 1 135 246 -111 157
SINCE JUL 1 33 61 -28 3
COOLING
TODAY 4 3 1 2
MONTH TO DATE 94 96 -2 127
SINCE JUN 1 323 270 53 408
SINCE JAN 1 334 273 61 408
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 600 AM
LOWEST 20 300 PM
AVERAGE 46
..........................................................
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1969
MINIMUM TEMPERATURE (F) 49 35 1906
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 642 AM MDT SUNSET 836 PM MDT
AUGUST 22 2025........SUNRISE 643 AM MDT SUNSET 834 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$