938
UXUS97 KBOI 251305
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
705 AM MDT MONDAY, MAY 25, 2026
THIS FORECAST IS FOR MONDAY, MAY 25, 2026:
IF THE TRIGGER TEMPERATURE OF 84.6 F/29.2 C IS REACHED...THEN
THERMAL SOARING INDEX....................... POOR
MAXIMUM RATE OF LIFT........................ 200 FT/MIN (1.0 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 0 FT MSL (0 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 92.0 F/33.8 C
TIME OF TRIGGER TEMPERATURE.................... 1200 MDT
TIME OF OVERDEVELOPMENT........................ 2000 MDT
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... NONE
SURFACE WINDS DURING SOARING WINDOW............ BETWEEN 20 MPH AND 30 MPH
HEIGHT OF THE -3 THERMAL INDEX................. NONE
THERMAL SOARING OUTLOOK FOR TUESDAY 05/26...... GOOD
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 06:10:37 / 21:13:03 MDT
TOTAL POSSIBLE SUNSHINE........... 15 HR 2 MIN 26 SEC (902 MIN 26 SEC)
ALTITUDE OF SUN AT 13:41:50 MDT... 65.87 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 05/25/2026 AT 0600 MDT
FREEZING LEVEL.................. ENTIRE AIRMASS BELOW 32 F / 0 C
CONVECTIVE CONDENSATION LEVEL... 14811 FT MSL (14811 FT AGL)
LIFTED CONDENSATION LEVEL....... 12779 FT MSL (12779 FT AGL)
LIFTED INDEX.................... -4.4
K INDEX......................... +29.7
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
--------------------------------------------------------------------------------
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
05/25/2026 AT 0900 MDT | 05/25/2026 AT 1200 MDT
|
CAPE... +0.8 LI... -0.9 | CAPE... +237.7 LI... -1.8
CINH... -21.1 K INDEX... +23.4 | CINH... -78.2 K INDEX... +22.1
|
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 -61.5 -78.7 245 18 9 -1.4 -0.8 | -60.9 -77.6 265 15 8 -1.1 -0.6
38000 -58.7 -73.7 245 17 8 6.5 3.6 | -58.1 -72.6 265 14 7 6.4 3.5
36000 -54.8 -66.6 250 15 8 6.5 3.6 | -54.3 -65.7 255 14 7 6.4 3.5
34000 -50.4 -58.7 250 14 7 8.4 4.6 | -50.0 -58.0 250 13 7 8.3 4.5
32000 -45.4 -49.7 245 15 8 8.4 4.6 | -45.0 -49.0 245 13 7 8.3 4.5
30000 -40.4 -40.7 240 15 8 8.2 4.5 | -40.1 -40.2 240 14 7 8.3 4.6
28000 -35.5 -31.9 235 16 8 8.2 4.5 | -35.1 -31.2 230 16 8 8.3 4.6
26000 -30.8 -23.4 225 17 9 7.5 4.1 | -30.4 -22.7 220 19 10 7.5 4.1
24000 -25.7 -14.3 220 19 10 8.2 4.5 | -25.4 -13.7 210 23 12 7.6 4.1
22000 -20.9 -5.6 210 19 10 8.1 4.4 | -20.9 -5.6 205 25 13 7.5 4.1
20000 -16.7 1.9 210 20 10 6.7 3.7 | -16.9 1.6 205 25 13 6.5 3.6
18000 -12.7 9.1 220 20 10 6.7 3.7 | -13.0 8.6 205 24 12 6.8 3.7
16000 -8.3 17.1 220 21 11 8.4 4.6 | -8.4 16.9 210 22 11 8.8 4.8
14000 -3.1 26.4 215 20 10 9.3 5.1 | -3.0 26.6 210 23 12 9.4 5.2
12000 2.4 36.3 210 17 9 9.4 5.2 | 2.4 36.3 210 21 11 9.2 5.0
10000 7.8 46.0 205 15 7 8.9 4.9 | 7.7 45.9 200 18 9 8.8 4.8
9000 10.4 50.7 205 14 7 8.3 4.6 | 10.4 50.7 195 16 8 8.5 4.7
8000 13.4 56.1 200 12 6 7.5 4.1 | 13.3 55.9 195 13 7 7.6 4.2
7500 14.3 57.7 190 12 6 5.8 3.2 | 14.5 58.1 190 12 6 7.4 4.0
7000 15.2 59.4 185 11 6 6.0 3.3 | 15.4 59.7 185 11 6 5.4 2.9
6500 16.0 60.8 175 12 6 4.3 2.4 | 16.6 61.9 180 11 5 8.2 4.5
6000 16.6 61.9 165 14 7 4.1 2.2 | 17.5 63.5 170 10 5 6.1 3.3
5500 17.3 63.1 160 15 8 5.1 2.8 | 18.6 65.5 170 9 5 9.4 5.1
5000 17.9 64.2 155 15 8 3.3 1.8 | 19.8 67.6 170 9 5 8.8 4.8
4750 18.0 64.4 150 17 9 1.8 1.0 | 20.5 68.9 170 9 4 9.0 4.9
4500 18.2 64.8 150 16 8 2.7 1.5 | 21.2 70.2 170 8 4 10.0 5.5
4250 18.4 65.1 150 13 6 4.0 2.2 | 21.9 71.4 170 8 4 10.6 5.8
4000 18.7 65.7 150 9 5 1.2 0.7 | 22.7 72.9 170 8 4 9.1 5.0
3750 18.7 65.7 150 9 4 3.8 2.1 | 23.4 74.1 175 7 4 12.1 6.6
3500 19.3 66.7 155 8 4 10.1 5.6 | 24.5 76.1 175 7 4 17.1 9.4
3400 19.3 66.7 155 8 4 10.1 5.6 | 24.5 76.1 175 7 4 17.1 9.4
3300 20.0 68.0 155 7 3 7.3 4.0 | 25.7 78.3 175 7 4 14.8 8.1
3200 20.0 68.0 155 7 3 7.3 4.0 | 25.7 78.3 175 7 4 14.8 8.1
3100 20.0 68.0 155 7 3 7.3 4.0 | 25.7 78.3 175 7 4 14.8 8.1
3000 20.6 69.1 155 6 3 16.6 9.1 | 26.9 80.4 175 7 3 22.1 12.1
2900 M M M M M M M | M M M M M M M
05/25/2026 AT 1500 MDT | 05/25/2026 AT 1800 MDT
|
CAPE... +354.0 LI... -2.5 | CAPE... +298.3 LI... -2.4
CINH... -7.3 K INDEX... +25.8 | CINH... -34.3 K INDEX... +29.7
|
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 -60.4 -76.7 265 17 9 -0.4 -0.2 | -60.6 -77.1 240 22 11 -1.0 -0.6
38000 -57.6 -71.7 260 16 8 6.4 3.5 | -57.5 -71.5 240 21 11 7.1 3.9
36000 -53.7 -64.7 245 17 9 6.4 3.5 | -53.2 -63.8 245 21 11 7.1 3.9
34000 -49.5 -57.1 235 17 9 8.2 4.5 | -48.7 -55.7 240 21 11 8.1 4.5
32000 -44.5 -48.1 235 16 8 8.2 4.5 | -43.8 -46.8 230 20 10 8.1 4.5
30000 -39.6 -39.3 225 17 9 8.2 4.5 | -39.0 -38.2 220 20 10 8.1 4.4
28000 -34.7 -30.5 220 18 9 8.2 4.5 | -34.1 -29.4 210 22 11 8.1 4.4
26000 -30.0 -22.0 215 22 11 7.5 4.1 | -29.5 -21.1 205 26 13 7.5 4.1
24000 -25.0 -13.0 210 26 14 7.2 4.0 | -24.6 -12.3 205 30 15 6.0 3.3
22000 -20.7 -5.3 205 29 15 7.3 4.0 | -21.0 -5.8 200 31 16 6.2 3.4
20000 -16.7 1.9 205 31 16 6.6 3.6 | -16.7 1.9 200 32 17 7.9 4.4
18000 -12.5 9.5 205 31 16 7.8 4.3 | -11.9 10.6 200 32 17 8.5 4.7
16000 -7.7 18.1 205 27 14 8.5 4.7 | -7.0 19.4 200 30 16 7.9 4.3
14000 -2.6 27.3 195 24 12 9.0 5.0 | -2.2 28.0 200 27 14 8.7 4.8
12000 2.9 37.2 195 21 11 9.3 5.1 | 3.3 37.9 195 23 12 9.6 5.3
10000 8.4 47.1 185 18 9 9.4 5.1 | 9.0 48.2 190 20 10 9.5 5.2
9000 11.9 53.4 180 16 8 9.2 5.1 | 12.7 54.9 190 18 9 9.3 5.1
8000 14.6 58.3 170 13 7 9.3 5.1 | 15.5 59.9 195 16 8 10.1 5.6
7500 16.0 60.8 170 12 6 9.7 5.3 | 16.9 62.4 195 15 8 8.6 4.7
7000 17.4 63.3 170 12 6 9.2 5.0 | 18.2 64.8 195 15 8 9.0 5.0
6500 19.0 66.2 170 11 6 11.0 6.0 | 19.6 67.3 200 14 7 9.6 5.3
6000 20.5 68.9 170 11 6 9.9 5.5 | 20.9 69.6 205 13 7 9.0 4.9
5500 22.0 71.6 170 11 5 10.1 5.6 | 22.3 72.1 210 12 6 8.9 4.9
5000 23.5 74.3 170 10 5 10.0 5.5 | 23.6 74.5 215 12 6 9.1 5.0
4750 24.2 75.6 170 10 5 10.1 5.5 | 24.2 75.6 215 11 6 8.5 4.7
4500 25.0 77.0 170 9 5 10.0 5.5 | 24.8 76.6 215 10 5 8.9 4.9
4250 25.7 78.3 170 9 5 9.8 5.4 | 25.5 77.9 215 10 5 9.6 5.3
4000 26.4 79.5 170 9 4 9.8 5.4 | 26.3 79.3 215 9 5 9.8 5.4
3750 27.3 81.1 170 9 5 13.4 7.3 | 27.0 80.6 220 10 5 10.6 5.8
3500 28.4 83.1 170 9 5 16.9 9.3 | 27.8 82.0 220 9 5 10.5 5.8
3400 28.4 83.1 170 9 5 16.9 9.3 | 27.8 82.0 220 9 5 10.5 5.8
3300 29.6 85.3 170 8 4 15.1 8.3 | 28.5 83.3 220 9 4 9.8 5.4
3200 29.6 85.3 170 8 4 15.1 8.3 | 28.5 83.3 220 9 4 9.8 5.4
3100 29.6 85.3 170 8 4 15.1 8.3 | 28.5 83.3 220 9 4 9.8 5.4
3000 30.8 87.4 170 8 4 20.5 11.3 | 29.3 84.7 220 8 4 11.1 6.1
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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