193
CDUS45 KBOI 181037
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
337 AM MST THU DEC 18 2025
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR DECEMBER 17 2025
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)
YESTERDAY
MAXIMUM 60R 932 AM 50 1998 36 24 46
MINIMUM 28 1159 PM 2 2008 20 8 30
AVERAGE 44 28 16 38
PRECIPITATION (IN)
YESTERDAY 0.23R 0.18 2020 0.04 0.19 0.02
MONTH TO DATE 0.38 0.69 -0.31 0.65
SINCE OCT 1 1.60 2.28 -0.68 1.43
SINCE JAN 1 6.12 9.74 -3.62 7.02
DEGREE DAYS
HEATING
YESTERDAY 21 37 -16 27
MONTH TO DATE 382 612 -230 549
SINCE DEC 1 382 612 -230 549
SINCE JUL 1 1549 2130 -581 1817
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 832 616 216 843
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 51 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 68 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 22.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 AM
LOWEST 45 300 PM
AVERAGE 69
......................................................
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 55 2024
MINIMUM TEMPERATURE (F) 20 0 2008
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 803 AM MST SUNSET 507 PM MST
DECEMBER 19 2025......SUNRISE 803 AM MST SUNSET 507 PM MST
- 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