545
UXUS97 KBOI 041306
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
706 AM MDT SATURDAY, APRIL 4, 2026
THIS FORECAST IS FOR SATURDAY, APRIL 4, 2026:
IF THE TRIGGER TEMPERATURE OF 57.6 F/14.2 C IS REACHED...THEN
THERMAL SOARING INDEX....................... GOOD
MAXIMUM RATE OF LIFT........................ 461 FT/MIN (2.3 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 10122 FT MSL (7261 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 66.0 F/19.3 C
TIME OF TRIGGER TEMPERATURE.................... 1230 MDT
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................. 7747 FT MSL (4886 FT AGL)
THERMAL SOARING OUTLOOK FOR SUNDAY 04/05....... GOOD
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:20:26 / 20:14:59 MDT
TOTAL POSSIBLE SUNSHINE........... 12 HR 54 MIN 33 SEC (774 MIN 33 SEC)
ALTITUDE OF SUN AT 13:47:43 MDT... 50.92 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 04/04/2026 AT 0600 MDT
FREEZING LEVEL.................. 8582 FT MSL (5721 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 15307 FT MSL (12446 FT AGL)
LIFTED CONDENSATION LEVEL....... 13062 FT MSL (10201 FT AGL)
LIFTED INDEX.................... +5.9
K INDEX......................... +9.8
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 -60.3 -76.5 300 48 25 -1.4 -0.8 60.8 141.4 26.7 M M
38000 -60.7 -77.3 305 54 28 -3.3 -1.8 51.1 123.9 21.1 M M
36000 -58.9 -74.0 305 35 18 3.4 1.8 45.0 113.1 17.6 M M
34000 -54.6 -66.3 300 35 18 8.7 4.8 42.7 108.9 16.5 M M
32000 -49.3 -56.7 295 33 17 8.7 4.8 41.8 107.3 16.3 M M
30000 -43.6 -46.5 305 36 19 7.9 4.3 40.8 105.5 16.0 M M
28000 -39.0 -38.2 300 38 19 5.8 3.2 39.2 102.5 15.2 M M
26000 -35.6 -32.1 305 34 17 8.1 4.5 36.0 96.7 13.1 M M
24000 -30.5 -22.9 310 32 16 7.5 4.1 35.0 95.0 12.7 M M
22000 -26.3 -15.3 295 27 14 6.3 3.4 32.8 91.0 11.2 M M
20000 -22.4 -8.3 305 22 11 9.0 4.9 30.5 87.0 9.6 M M
18000 -17.7 0.1 295 20 10 7.8 4.3 29.1 84.4 8.6 M M
16000 -13.2 8.2 305 19 10 3.7 2.0 26.8 80.2 6.8 M M
14000 -9.4 15.1 325 14 7 8.0 4.4 24.6 76.2 4.9 M M
12000 -7.5 18.5 310 13 7 6.6 3.6 20.4 68.7 1.0 M M
10000 -2.7 27.1 320 8 4 8.5 4.7 19.2 66.6 -0.1 448 2.3
9000 -0.4 31.3 330 8 4 4.5 2.5 18.6 65.4 -0.7 349 1.8
8000 0.7 33.3 005 9 5 4.4 2.4 16.7 62.0 -2.5 286 1.5
7500 1.1 34.0 360 9 5 1.5 0.8 15.6 60.1 -3.5 258 1.3
7000 1.8 35.2 330 6 3 7.5 4.1 14.8 58.6 -4.4 224 1.1
6500 2.9 37.2 330 7 4 7.1 3.9 14.4 58.0 -4.7 175 0.9
6000 4.0 39.2 330 8 4 7.0 3.9 14.0 57.2 -5.1 129 0.7
5500 5.0 41.0 335 7 4 6.8 3.7 13.6 56.5 -5.6 82 0.4
5000 6.1 43.0 340 6 3 1.6 0.9 13.1 55.6 -6.0 37 0.2
4750 5.9 42.6 335 5 3 -3.3 -1.8 12.2 53.9 -7.0 35 0.2
4500 5.8 42.4 330 4 2 3.9 2.1 11.4 52.6 -7.7 28 0.1
4250 6.3 43.3 325 4 2 8.1 4.4 11.2 52.2 -8.0 7 0.0
4000 6.9 44.4 315 3 2 7.9 4.3 11.1 52.0 -8.1 M M
3750 7.3 45.1 315 2 1 1.2 0.6 10.8 51.4 -8.5 M M
3500 7.2 45.0 360 1 0 0.6 0.3 9.9 49.9 -9.4 M M
3400 7.4 45.3 095 1 1 1.3 0.7 9.4 48.9 -10.0 M M
3300 7.4 45.3 095 1 1 1.3 0.7 9.4 48.9 -10.0 M M
3200 6.8 44.2 105 3 1 -18.2 -10.0 8.2 46.7 -11.3 M M
3100 6.8 44.2 105 3 1 -18.2 -10.0 8.2 46.7 -11.3 M M
3000 6.8 44.2 105 3 1 -18.2 -10.0 8.2 46.7 -11.3 M M
2900 4.6 40.3 110 3 2 -33.7 -18.5 5.3 41.5 -14.3 14 0.1
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
04/04/2026 AT 0900 MDT | 04/04/2026 AT 1200 MDT
|
CAPE... 0.0 LI... +6.4 | CAPE... 0.0 LI... +6.8
CINH... -0.2 K INDEX... +3.9 | CINH... 0.0 K INDEX... -1.9
|
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 -60.6 -77.1 300 43 22 -5.3 -2.9 | -60.5 -76.9 295 43 22 -4.5 -2.5
38000 -60.4 -76.7 300 44 23 4.5 2.5 | -60.0 -76.0 300 44 23 4.7 2.6
36000 -57.7 -71.9 305 43 22 4.5 2.5 | -57.2 -71.0 305 43 22 4.7 2.6
34000 -54.5 -66.1 310 41 21 7.6 4.1 | -53.9 -65.0 310 42 22 7.4 4.1
32000 -49.9 -57.8 310 40 20 7.7 4.2 | -49.4 -56.9 305 40 21 7.5 4.1
30000 -45.2 -49.4 310 38 20 8.4 4.6 | -44.7 -48.5 305 38 20 8.2 4.5
28000 -40.1 -40.2 315 39 20 8.4 4.6 | -39.8 -39.6 305 36 19 8.2 4.5
26000 -34.6 -30.3 315 36 19 8.1 4.5 | -34.2 -29.6 300 34 17 8.4 4.6
24000 -29.8 -21.6 310 32 16 7.1 3.9 | -29.3 -20.7 300 32 17 7.2 3.9
22000 -25.5 -13.9 305 27 14 7.1 3.9 | -24.9 -12.8 300 29 15 7.3 4.0
20000 -21.5 -6.7 305 22 11 6.5 3.6 | -20.9 -5.6 300 23 12 6.4 3.5
18000 -17.6 0.3 310 18 9 6.5 3.5 | -17.1 1.2 305 18 9 6.2 3.4
16000 -13.6 7.5 320 14 7 6.3 3.4 | -13.1 8.4 315 12 6 6.6 3.6
14000 -9.7 14.5 325 10 5 5.3 2.9 | -9.0 15.8 325 6 3 6.5 3.6
12000 -6.7 19.9 305 9 5 5.5 3.0 | -5.6 21.9 320 4 2 4.8 2.6
10000 -3.3 26.1 285 7 4 6.0 3.3 | -2.7 27.1 280 3 2 5.7 3.1
9000 -1.1 30.0 290 5 3 6.0 3.3 | -0.6 30.9 270 3 1 6.0 3.3
8000 0.8 33.4 300 4 2 6.2 3.4 | 1.2 34.2 265 2 1 6.2 3.4
7500 1.8 35.2 310 3 2 6.7 3.7 | 2.3 36.1 250 1 0 7.0 3.8
7000 2.7 36.9 325 3 1 6.0 3.3 | 3.2 37.8 000 0 0 6.0 3.3
6500 3.6 38.5 330 2 1 6.2 3.4 | 4.1 39.4 100 1 0 6.5 3.6
6000 4.5 40.1 350 2 1 4.4 2.4 | 5.0 41.0 100 1 1 4.9 2.7
5500 5.1 41.2 015 2 1 4.2 2.3 | 5.7 42.3 105 2 1 5.3 2.9
5000 5.6 42.1 040 1 1 3.6 2.0 | 6.3 43.3 160 1 1 3.2 1.7
4750 5.8 42.4 040 1 1 3.2 1.8 | 6.5 43.7 185 1 1 4.6 2.5
4500 6.0 42.8 055 1 1 1.1 0.6 | 6.9 44.4 195 2 1 7.6 4.2
4250 6.0 42.8 070 1 1 -0.2 -0.1 | 7.6 45.7 205 2 1 9.1 5.0
4000 6.0 42.8 080 1 1 1.1 0.6 | 8.2 46.8 210 2 1 8.2 4.5
3750 6.0 42.8 090 2 1 -2.9 -1.6 | 8.8 47.8 215 2 1 10.5 5.7
3500 5.5 41.9 110 2 1 -6.8 -3.8 | 9.7 49.5 215 2 1 13.5 7.4
3400 5.5 41.9 110 2 1 -6.8 -3.8 | 9.7 49.5 215 2 1 13.5 7.4
3300 5.2 41.4 105 2 1 -1.8 -1.0 | 10.7 51.3 215 2 1 12.0 6.6
3200 5.2 41.4 105 2 1 -1.8 -1.0 | 10.7 51.3 215 2 1 12.0 6.6
3100 5.2 41.4 105 2 1 -1.8 -1.0 | 10.7 51.3 215 2 1 12.0 6.6
3000 4.8 40.6 100 3 1 -14.1 -7.8 | 11.6 52.9 215 2 1 16.6 9.1
2900 M M M M M M M | M M M M M M M
04/04/2026 AT 1500 MDT | 04/04/2026 AT 1800 MDT
|
CAPE... 0.0 LI... +5.8 | CAPE... 0.0 LI... +5.0
CINH... 0.0 K INDEX... -4.1 | CINH... 0.0 K INDEX... -6.3
|
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 -61.8 -79.2 290 42 21 -4.4 -2.4 | -62.7 -80.9 280 38 19 -4.9 -2.7
38000 -60.7 -77.3 295 43 22 5.8 3.2 | -61.4 -78.5 285 37 19 6.5 3.6
36000 -57.3 -71.1 300 44 23 5.8 3.2 | -57.5 -71.5 285 38 20 6.5 3.6
34000 -53.5 -64.3 305 44 23 7.7 4.2 | -53.3 -63.9 290 38 20 8.1 4.4
32000 -48.8 -55.8 300 40 21 7.7 4.3 | -48.5 -55.3 290 37 19 8.1 4.4
30000 -44.1 -47.4 300 37 19 8.1 4.4 | -43.6 -46.5 290 34 18 7.9 4.3
28000 -39.2 -38.6 300 34 17 8.1 4.4 | -38.9 -38.0 295 31 16 7.9 4.3
26000 -33.8 -28.8 300 31 16 8.0 4.4 | -33.6 -28.5 295 28 14 7.7 4.2
24000 -29.1 -20.4 305 29 15 7.6 4.2 | -29.0 -20.2 300 26 13 7.6 4.2
22000 -24.5 -12.1 300 26 14 7.6 4.2 | -24.5 -12.1 300 24 12 7.6 4.2
20000 -20.5 -4.9 305 22 11 6.4 3.5 | -20.2 -4.4 305 20 10 6.8 3.7
18000 -16.7 1.9 305 17 9 6.0 3.3 | -16.3 2.7 310 15 8 6.2 3.4
16000 -12.8 9.0 310 11 6 6.9 3.8 | -12.5 9.5 310 10 5 6.8 3.8
14000 -8.7 16.3 305 5 2 6.9 3.8 | -8.3 17.1 300 6 3 7.3 4.0
12000 -4.9 23.2 265 2 1 5.3 2.9 | -4.2 24.4 275 4 2 6.0 3.3
10000 -1.9 28.6 220 2 1 5.7 3.1 | -0.7 30.7 230 3 2 6.2 3.4
9000 0.3 32.5 210 2 1 6.2 3.4 | 1.5 34.7 215 2 1 6.6 3.6
8000 2.2 36.0 180 1 1 6.8 3.7 | 3.5 38.3 165 1 0 6.7 3.7
7500 3.3 37.9 145 1 1 7.1 3.9 | 4.6 40.3 115 1 1 8.0 4.4
7000 4.2 39.6 145 1 0 6.3 3.5 | 5.6 42.1 070 1 0 6.7 3.7
6500 5.2 41.4 000 0 0 7.8 4.3 | 6.6 43.9 005 1 1 7.9 4.3
6000 6.4 43.5 000 0 0 8.0 4.4 | 7.8 46.0 345 1 1 9.1 5.0
5500 7.6 45.7 275 1 0 9.5 5.2 | 9.2 48.6 335 1 1 9.6 5.3
5000 9.0 48.2 270 1 1 10.1 5.5 | 10.7 51.3 325 2 1 10.8 6.0
4750 9.8 49.6 275 1 1 9.5 5.2 | 11.5 52.7 320 2 1 9.5 5.2
4500 10.5 50.9 270 1 1 9.3 5.1 | 12.1 53.8 320 2 1 8.8 4.9
4250 11.2 52.2 270 1 1 10.2 5.6 | 12.8 55.0 315 2 1 10.2 5.6
4000 11.9 53.4 270 1 1 9.2 5.1 | 13.6 56.5 315 2 1 11.2 6.2
3750 12.7 54.9 270 2 1 12.6 6.9 | 14.4 57.9 310 2 1 8.8 4.8
3500 13.8 56.8 275 2 1 15.8 8.6 | 15.0 59.0 315 2 1 8.2 4.5
3400 13.8 56.8 275 2 1 15.8 8.6 | 15.0 59.0 315 2 1 8.2 4.5
3300 14.8 58.6 275 2 1 11.1 6.1 | 15.8 60.4 310 2 1 13.8 7.6
3200 14.8 58.6 275 2 1 11.1 6.1 | 15.8 60.4 310 2 1 13.8 7.6
3100 14.8 58.6 275 2 1 11.1 6.1 | 15.8 60.4 310 2 1 13.8 7.6
3000 15.8 60.4 275 2 1 22.4 12.3 | 16.6 61.9 310 3 1 1.9 1.0
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
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