666
CDUS45 KBOI 181031
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
331 AM MST SUN JAN 18 2026
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR JANUARY 17 2026
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)
YESTERDAY
MAXIMUM 35 418 PM 54 2011 37 -2 37
MINIMUM 17 238 AM -1 2013 21 -4 23
AVERAGE 26 29 -3 30
PRECIPITATION (IN)
YESTERDAY 0.00 0.36 2024 0.03 -0.03 0.00
MONTH TO DATE 0.39 0.53 -0.14 0.17
SINCE OCT 1 2.59 3.35 -0.76 2.96
SINCE JAN 1 0.39 0.53 -0.14 0.17
DEGREE DAYS
HEATING
YESTERDAY 39 36 3 35
MONTH TO DATE 502 617 -115 551
SINCE DEC 1 1245 1748 -503 1483
SINCE JUL 1 2412 3266 -854 2751
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 92 200 AM
AVERAGE 96
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THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 57 2015
MINIMUM TEMPERATURE (F) 21 2 2013
SUNRISE AND SUNSET
JANUARY 18 2026.......SUNRISE 803 AM MST SUNSET 534 PM MST
JANUARY 19 2026.......SUNRISE 803 AM MST SUNSET 535 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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