502
CDUS45 KBOI 220127
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
727 PM MDT SUN SEP 21 2025
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 21 2025
VALID TODAY AS OF 0700 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 1050 AM 86 2012 74 3 68
MINIMUM 58 655 AM 32 2021 46 12 43
AVERAGE 68 60 8 56
PRECIPITATION (IN)
TODAY 0.18 0.25 2017 0.02 0.16 0.00
MONTH TO DATE 0.18 0.33 -0.15 0.23
SINCE OCT 1 7.00 10.08 -3.08 8.04
SINCE JAN 1 4.21 7.26 -3.05 5.59
DEGREE DAYS
HEATING
TODAY 0 6 -6 9
MONTH TO DATE 17 80 -63 63
SINCE SEP 1 17 80 -63 63
SINCE JUL 1 17 107 -90 82
COOLING
TODAY 3 1 2 0
MONTH TO DATE 59 47 12 57
SINCE SEP 1 59 47 12 57
SINCE JAN 1 824 607 217 821
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 10.3
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 700 AM
LOWEST 36 1100 AM
AVERAGE 57
......................................................
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 87 2012
MINIMUM TEMPERATURE (F) 45 36 2017
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 725 AM MDT SUNSET 736 PM MDT
SEPTEMBER 22 2025.....SUNRISE 726 AM MDT SUNSET 734 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page