Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KBOI 180136
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
736 PM MDT WED SEP 17 2025
...................................
...THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 17 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 77 358 PM 92 1998 76 1 65
MINIMUM 48 1202 AM 30 2017 47 1 44
AVERAGE 63 61 2 55
PRECIPITATION (IN)
TODAY 0.00 0.14 2002 0.02 -0.02 0.01
MONTH TO DATE T 0.25 -0.25 0.23
SINCE OCT 1 6.82 10.00 -3.18 8.04
SINCE JAN 1 4.03 7.18 -3.15 5.59
DEGREE DAYS
HEATING
TODAY 2 5 -3 10
MONTH TO DATE 16 57 -41 41
SINCE SEP 1 16 57 -41 41
SINCE JUL 1 16 84 -68 60
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 51 43 8 57
SINCE SEP 1 51 43 8 57
SINCE JAN 1 816 603 213 821
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 10.2
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 300 AM
LOWEST 27 200 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 2025.....SUNRISE 720 AM MDT SUNSET 743 PM MDT
SEPTEMBER 18 2025.....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.
$$