657
CDUS45 KBOI 210934
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
334 AM MDT SUN SEP 21 2025
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 20 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 82 121 PM 86 2013 75 7 77
2022
MINIMUM 56 300 AM 35 2013 46 10 50
AVERAGE 69 60 9 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 2017 0.02 -0.02 0.00
MONTH TO DATE T 0.31 -0.31 0.23
SINCE OCT 1 6.82 10.06 -3.24 8.04
SINCE JAN 1 4.03 7.24 -3.21 5.59
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 1
MONTH TO DATE 17 74 -57 54
SINCE SEP 1 17 74 -57 54
SINCE JUL 1 17 101 -84 73
COOLING
YESTERDAY 4 1 3 0
MONTH TO DATE 56 46 10 57
SINCE SEP 1 56 46 10 57
SINCE JAN 1 821 606 215 821
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 900 PM
LOWEST 27 300 PM
AVERAGE 43
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THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 86 2012
MINIMUM TEMPERATURE (F) 46 32 2021
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.
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