232
CDUS45 KBOI 180123
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
723 PM MDT THU SEP 17 2026
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 17 2026
VALID TODAY AS OF 0700 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 313 PM 92 1998 76 11 77
MINIMUM 57 452 AM 30 2017 47 10 48
AVERAGE 72 61 11 63
PRECIPITATION (IN)
TODAY 0.02 0.14 2002 0.02 0.00 0.00
MONTH TO DATE 0.09 0.25 -0.16 T
SINCE OCT 1 6.50 10.00 -3.50 6.82
SINCE JAN 1 4.30 7.18 -2.88 4.03
DEGREE DAYS
HEATING
TODAY 0 5 -5 2
MONTH TO DATE 57 57 0 16
SINCE SEP 1 57 57 0 16
SINCE JUL 1 62 84 -22 16
COOLING
TODAY 7 1 6 0
MONTH TO DATE 31 43 -12 51
SINCE SEP 1 31 43 -12 51
SINCE JAN 1 894 603 291 816
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.3
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 400 AM
LOWEST 13 200 PM
AVERAGE 47
......................................................
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 87 2009
MINIMUM TEMPERATURE (F) 46 31 2003
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 720 AM MDT SUNSET 744 PM MDT
SEPTEMBER 18 2026.....SUNRISE 721 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page