332   
UXUS97 KBOI 311306  
SRGBOI  
  
SOARING FORECAST  
NATIONAL WEATHER SERVICE BOISE, IDAHO  
706 AM MDT FRIDAY, OCTOBER 31, 2025  
  
THIS FORECAST IS FOR FRIDAY, OCTOBER 31, 2025:  
  
IF THE TRIGGER TEMPERATURE OF 65.6 F/18.6 C IS REACHED...THEN  
   THERMAL SOARING INDEX....................... POOR  
   MAXIMUM RATE OF LIFT........................ 183 FT/MIN (0.9 M/S)  
   MAXIMUM HEIGHT OF THERMALS.................. 5517 FT MSL (2656 FT AGL)  
  
FORECAST MAXIMUM TEMPERATURE................... 57.0 F/14.3 C  
TIME OF TRIGGER TEMPERATURE.................... NONE  
TIME OF OVERDEVELOPMENT........................ NONE  
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... NONE  
SURFACE WINDS DURING SOARING WINDOW............ 20 MPH OR LESS  
HEIGHT OF THE -3 THERMAL INDEX................. 4069 FT MSL (1208 FT AGL)  
THERMAL SOARING OUTLOOK FOR SATURDAY 11/01..... POOR  
  
WAVE SOARING INDEX............................. NOT AVAILABLE  
  
REMARKS...   
  
SUNRISE/SUNSET.................... 08:19:55 / 18:36:51 MDT  
TOTAL POSSIBLE SUNSHINE........... 10 HR 16 MIN 56 SEC (616 MIN 56 SEC)  
ALTITUDE OF SUN AT 13:28:23 MDT... 31.71 DEGREES  
  
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 10/31/2025 AT 0600 MDT  
  
FREEZING LEVEL.................. 11894 FT MSL (9033 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 17074 FT MSL (14213 FT AGL)  
LIFTED CONDENSATION LEVEL....... 10285 FT MSL (7424 FT AGL)  
LIFTED INDEX.................... +12.9  
K INDEX......................... -30.0  
  
HEIGHT  TEMPERATURE  WIND  WIND SPD  LAPSE RATE  CONVECTIONT  THERMAL  LIFT RATE  
FT MSL  DEG C DEG F   DIR   KT  M/S  C/KM F/KFT  DEG C DEG F   INDEX    FPM  M/S  
--------------------------------------------------------------------------------  
 40000  -60.2 -76.4   345   69   36   6.4   3.5   58.5 137.3    28.7      M    M  
 38000  -58.8 -73.8   345   94   48   7.5   4.1   51.6 124.9    24.9      M    M  
 36000  -54.3 -65.7   345   89   46   7.0   3.8   49.7 121.4    24.3      M    M  
 34000  -48.6 -55.5   345   77   39   9.7   5.3   48.3 119.0    24.1      M    M  
 32000  -43.9 -47.0   345   59   30   4.8   2.6   46.6 116.0    23.5      M    M  
 30000  -39.3 -38.7   345   59   30  10.9   6.0   45.0 113.0    22.9      M    M  
 28000  -33.8 -28.8   345   59   30   8.9   4.9   44.5 112.1    23.0      M    M  
 26000  -28.9 -20.0   340   59   30   7.6   4.2   43.3 110.0    22.7      M    M  
 24000  -24.0 -11.2   340   56   29   7.7   4.2   42.1 107.8    22.3      M    M  
 22000  -19.5  -3.1   335   52   27   2.4   1.3   40.4 104.7    21.4      M    M  
 20000  -20.4  -4.7   315   34   18   9.7   5.3   32.3  90.1    15.1      M    M  
 18000  -13.8   7.2   305   32   16   9.6   5.3   32.3  90.1    15.5      M    M  
 16000   -8.5  16.7   305   29   15   6.0   3.3   31.6  88.9    15.2      M    M  
 14000   -4.3  24.3   300   17    9   5.9   3.3   29.7  85.5    13.9      M    M  
 12000   -0.2  31.6   310    9    5   7.4   4.1   27.8  82.1    12.5      M    M  
 10000    3.2  37.8   315    6    3   6.3   3.5   25.2  77.4    10.3      M    M  
  9000    5.0  41.0   270    2    1   5.6   3.1   23.9  75.0     9.2      M    M  
  8000    6.7  44.1   260    4    2   5.5   3.0   22.6  72.6     8.2      M    M  
  7500    7.6  45.7   260    3    1   2.7   1.5   21.9  71.5     7.6      M    M  
  7000    7.0  44.6   250    1    1  -7.7  -4.2   19.8  67.6     5.6      M    M  
  6500    6.4  43.5   190    2    1   1.7   0.9   18.0  64.4     3.5      M    M  
  6000    6.0  42.8   175    5    2  -0.2  -0.1   15.9  60.7     1.7      M    M  
  5500    6.0  42.8   160    4    2  -1.3  -0.7   14.7  58.4     0.2      M    M  
  5000    6.4  43.5   135    3    2   3.9   2.2   13.6  56.5    -0.9    158  0.8  
  4750    6.5  43.7   125    3    2   1.8   1.0   13.0  55.4    -1.5    146  0.7  
  4500    6.8  44.2   115    3    1   1.7   0.9   12.5  54.4    -1.9    130  0.7  
  4250    6.8  44.2   105    3    1   4.1   2.2   11.8  53.3    -2.7    123  0.6  
  4000    7.2  45.0   100    3    2   5.3   2.9   11.6  52.8    -2.9    102  0.5  
  3750    7.4  45.3   100    3    2  -1.2  -0.7   11.0  51.7    -3.5     91  0.5  
  3500    7.2  45.0   110    3    2  -1.6  -0.9   10.1  50.1    -4.5     89  0.5  
  3400    6.9  44.4   120    3    2  -8.5  -4.7    9.1  48.4    -5.5     90  0.5  
  3300    6.9  44.4   120    3    2  -8.5  -4.7    9.1  48.4    -5.5     90  0.5  
  3200    5.6  42.1   130    4    2 -28.7 -15.8    7.0  44.6    -7.6    123  0.6  
  3100    5.6  42.1   130    4    2 -28.7 -15.8    7.0  44.6    -7.6    123  0.6  
  3000    5.6  42.1   130    4    2 -28.7 -15.8    7.0  44.6    -7.6    123  0.6  
  2900    3.4  38.1   135    4    2 -16.6  -9.1    4.1  39.4   -10.5    180  0.9  
  
 * * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *   
  
           10/31/2025 AT 0900 MDT          |       10/31/2025 AT 1200 MDT          
                                           |  
CAPE...     0.0    LI...      +11.3        | CAPE...     0.0    LI...      +12.6  
CINH...     0.0    K INDEX... -19.8        | CINH...    -0.1    K INDEX... -20.0  
                                           |  
HEIGHT TEMPERATURE  WND WNDSPD  LAPSE RATE | TEMPERATURE  WND WNDSPD  LAPSE RATE  
FT MSL DEG C DEG F  DIR KT M/S  C/KM F/KFT | DEG C DEG F  DIR KT M/S  C/KM F/KFT  
--------------------------------------------------------------------------------  
 40000 -59.7 -75.5  340  76 39   2.1   1.2 | -59.3 -74.7  330  77 39   2.0   1.1  
 38000 -56.4 -69.5  340  74 38   5.9   3.2 | -56.0 -68.8  335  71 37   5.9   3.2  
 36000 -52.9 -63.2  335  70 36   5.9   3.2 | -52.4 -62.3  335  65 33   5.9   3.2  
 34000 -48.4 -55.1  335  66 34   9.0   5.0 | -47.8 -54.0  335  59 31   9.2   5.0  
 32000 -42.9 -45.2  340  61 31   9.0   5.0 | -42.3 -44.1  335  55 28   9.2   5.0  
 30000 -37.9 -36.2  340  54 28   7.8   4.3 | -37.0 -34.6  335  50 26   8.5   4.6  
 28000 -33.2 -27.8  335  45 23   7.8   4.3 | -32.0 -25.6  330  45 23   8.5   4.6  
 26000 -28.8 -19.8  330  41 21   7.2   3.9 | -26.7 -16.1  325  40 21   7.5   4.1  
 24000 -23.7 -10.7  325  40 21   8.4   4.6 | -22.4  -8.3  325  37 19   6.7   3.7  
 22000 -18.7  -1.7  330  40 21   8.4   4.6 | -18.4  -1.1  315  37 19   6.6   3.6  
 20000 -14.8   5.4  325  36 18   5.9   3.2 | -14.0   6.8  315  34 18   7.4   4.0  
 18000 -12.1  10.2  325  29 15   2.9   1.6 | -10.2  13.6  320  30 15   5.3   2.9  
 16000  -8.9  16.0  320  24 12   7.4   4.0 |  -7.4  18.7  320  23 12   5.7   3.1  
 14000  -4.4  24.1  315  20 10   7.4   4.0 |  -3.6  25.5  315  16  8   5.7   3.2  
 12000  -0.1  31.8  310  13  7   6.8   3.7 |   0.1  32.2  305  11  6   6.5   3.6  
 10000   3.7  38.7  305   7  4   5.0   2.8 |   3.7  38.7  280   7  3   4.9   2.7  
  9000   5.1  41.2  300   5  3   3.6   2.0 |   5.3  41.5  260   5  3   3.2   1.8  
  8000   6.0  42.8  305   3  1   1.4   0.8 |   6.0  42.8  240   4  2   1.6   0.9  
  7500   6.2  43.2  310   1  1  -0.0  -0.0 |   6.1  43.0  215   4  2  -0.0  -0.0  
  7000   6.0  42.8  000   0  0  -0.9  -0.5 |   6.0  42.8  205   4  2  -0.4  -0.2  
  6500   5.9  42.6  140   2  1  -0.6  -0.3 |   5.9  42.6  190   4  2  -0.7  -0.4  
  6000   5.6  42.1  155   2  1  -0.7  -0.4 |   5.6  42.1  185   5  2  -1.0  -0.5  
  5500   5.5  41.9  155   3  1   0.3   0.2 |   5.5  41.9  175   5  3  -0.2  -0.1  
  5000   5.4  41.7  160   3  2  -0.1  -0.1 |   5.4  41.7  170   5  2   0.0   0.0  
  4750   5.4  41.7  160   4  2  -0.4  -0.2 |   5.4  41.7  165   5  2   0.6   0.3  
  4500   5.3  41.5  155   4  2  -0.8  -0.4 |   5.5  41.9  160   4  2   3.0   1.6  
  4250   5.2  41.4  150   5  2  -2.2  -1.2 |   5.8  42.4  165   4  2   5.6   3.1  
  4000   4.9  40.8  145   5  2  -5.4  -3.0 |   6.2  43.2  165   4  2   5.8   3.2  
  3750   4.7  40.5  135   5  2   2.2   1.2 |   6.7  44.1  170   3  2   7.1   3.9  
  3500   4.8  40.6  100   4  2  -6.8  -3.7 |   7.3  45.1  170   3  2   9.7   5.3  
  3400   4.8  40.6  100   4  2  -6.8  -3.7 |   7.3  45.1  170   3  2   9.7   5.3  
  3300   3.0  37.4  105   4  2 -42.4 -23.3 |   8.0  46.4  170   3  2   9.7   5.3  
  3200   3.0  37.4  105   4  2 -42.4 -23.3 |   8.0  46.4  170   3  2   9.7   5.3  
  3100   3.0  37.4  105   4  2 -42.4 -23.3 |   8.0  46.4  170   3  2   9.7   5.3  
  3000   1.2  34.2  105   5  2  27.2  14.9 |   8.7  47.7  170   3  2  11.2   6.1  
  2900     M     M    M   M  M     M     M |     M     M    M   M  M     M     M  
  
           10/31/2025 AT 1500 MDT          |       10/31/2025 AT 1800 MDT          
                                           |  
CAPE...     0.0    LI...      +12.0        | CAPE...     0.0    LI...      +11.7  
CINH...    -0.0    K INDEX... -19.5        | CINH...     0.0    K INDEX... -17.7  
                                           |  
HEIGHT TEMPERATURE  WND WNDSPD  LAPSE RATE | TEMPERATURE  WND WNDSPD  LAPSE RATE  
FT MSL DEG C DEG F  DIR KT M/S  C/KM F/KFT | DEG C DEG F  DIR KT M/S  C/KM F/KFT  
--------------------------------------------------------------------------------  
 40000 -59.3 -74.7  330  76 39   2.5   1.4 | -59.4 -74.9  325  80 41   2.9   1.6  
 38000 -55.5 -67.9  325  69 35   6.6   3.6 | -55.4 -67.7  325  71 36   7.0   3.8  
 36000 -51.5 -60.7  325  60 31   6.6   3.6 | -51.3 -60.3  320  61 31   7.0   3.8  
 34000 -46.8 -52.2  325  53 27   8.8   4.8 | -45.7 -50.3  320  53 27   9.0   5.0  
 32000 -41.5 -42.7  325  48 25   8.8   4.8 | -40.3 -40.5  320  49 25   9.0   5.0  
 30000 -36.4 -33.5  325  45 23   8.2   4.5 | -35.2 -31.4  320  45 23   8.2   4.5  
 28000 -30.9 -23.6  325  44 22   8.3   4.6 | -30.3 -22.5  320  40 21   8.3   4.5  
 26000 -26.2 -15.2  325  42 22   7.8   4.3 | -25.8 -14.4  315  39 20   7.6   4.1  
 24000 -21.6  -6.9  325  41 21   7.4   4.1 | -21.3  -6.3  315  37 19   7.1   3.9  
 22000 -17.2   1.0  325  38 19   7.4   4.1 | -17.1   1.2  315  35 18   7.2   3.9  
 20000 -13.2   8.2  320  33 17   6.5   3.6 | -12.6   9.3  315  32 16   6.8   3.7  
 18000  -9.8  14.4  310  28 14   4.4   2.4 |  -9.0  15.8  315  28 14   5.7   3.1  
 16000  -6.9  19.6  300  21 11   5.3   2.9 |  -5.6  21.9  305  23 12   4.6   2.5  
 14000  -3.5  25.7  290  16  8   6.5   3.5 |  -2.6  27.3  290  18  9   4.8   2.6  
 12000   0.2  32.4  290  13  7   6.3   3.5 |   0.6  33.1  290  14  7   5.7   3.1  
 10000   3.8  38.8  280  11  6   5.1   2.8 |   4.0  39.2  290  12  6   5.5   3.0  
  9000   5.4  41.7  270   9  5   3.7   2.0 |   5.5  41.9  285  10  5   4.3   2.4  
  8000   6.3  43.3  260   7  4   2.3   1.2 |   7.0  44.6  275   8  4   3.8   2.1  
  7500   6.7  44.1  255   6  3   1.7   0.9 |   7.4  45.3  275   7  4   2.2   1.2  
  7000   6.8  44.2  240   5  3   1.0   0.6 |   7.7  45.9  265   5  3   2.7   1.5  
  6500   6.8  44.2  225   4  2   0.6   0.3 |   8.0  46.4  260   4  2   2.1   1.1  
  6000   6.8  44.2  200   3  2   0.7   0.4 |   8.3  46.9  225   2  1   2.5   1.3  
  5500   6.9  44.4  165   3  2   2.1   1.1 |   8.7  47.7  160   2  1   2.5   1.3  
  5000   7.3  45.1  155   2  1   2.7   1.5 |   9.0  48.2  135   3  1   3.3   1.8  
  4750   7.5  45.5  150   2  1   4.3   2.3 |   9.3  48.7  125   3  1   4.1   2.3  
  4500   7.9  46.2  155   2  1   8.3   4.6 |   9.6  49.3  125   2  1   5.0   2.8  
  4250   8.6  47.5  160   2  1   9.7   5.3 |  10.0  50.0  150   1  1   7.3   4.0  
  4000   9.3  48.7  165   2  1   8.9   4.9 |  10.6  51.1  170   1  1   8.6   4.7  
  3750  10.0  50.0  170   2  1   9.6   5.3 |  11.3  52.3  195   1  0   8.5   4.7  
  3500  10.8  51.4  170   2  1  11.1   6.1 |  11.8  53.2  215   1  1   4.3   2.4  
  3400  10.8  51.4  170   2  1  11.1   6.1 |  11.8  53.2  215   1  1   4.3   2.4  
  3300  11.6  52.9  175   2  1  12.0   6.6 |  11.8  53.2  230   1  1  -3.7  -2.0  
  3200  11.6  52.9  175   2  1  12.0   6.6 |  11.8  53.2  230   1  1  -3.7  -2.0  
  3100  11.6  52.9  175   2  1  12.0   6.6 |  11.8  53.2  230   1  1  -3.7  -2.0  
  3000  12.5  54.5  180   2  1  10.8   5.9 |  11.8  53.2  245   1  1  10.9   6.0  
  2900     M     M    M   M  M     M     M |     M     M    M   M  M     M     M  
________________________________________________________________________________  
  
THIS PRODUCT IS ISSUED TWICE PER DAY, ONCE BY APPROXIMATELY 0630 MST/0730 MDT   
(1330 UTC) AND AGAIN BY APPROXIMATELY 1830 MST/1930 MDT (0130 UTC).  IT IS NOT   
CONTINUOUSLY MONITORED NOR UPDATED AFTER ITS INITIAL ISSUANCE.   
  
THE INFORMATION CONTAINED HEREIN IS BASED ON RAWINSONDE OBSERVATION AND/OR  
NUMERICAL WEATHER PREDICTION MODEL DATA TAKEN AT THE BOISE AIRPORT SITE IN   
BOISE, IDAHO AT  
  
                   LATITUDE:    43.56774  
                   LONGITUDE: -116.21089  
                   ELEVATION: 2867 FEET (874 METERS)  
  
AND MAY NOT BE REPRESENTATIVE OF OTHER AREAS IN EASTERN OREGON OR SOUTHWEST   
IDAHO. NOTE THAT SOME ELEVATIONS IN NUMERICAL WEATHER PREDICTION MODELS DIFFER  
FROM ACTUAL STATION ELEVATIONS, WHICH CAN LEAD TO DATA WHICH APPEAR TO BE BELOW  
GROUND. ERRONEOUS DATA SUCH AS THESE SHOULD NOT BE USED.  
  
THE CONTENT AND FORMAT OF THIS REPORT AS WELL AS THE ISSUANCE TIMES ARE SUBJECT  
TO CHANGE WITHOUT PRIOR NOTICE.  
  
082025  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab ID Page
The Nexlab OR Page
 Main Text Page
Main Text Page