Will the Jetstream Ever Heal? - Video Forecast HERE (12/28/25)

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Mammoth - Wind Forecast Location: 37.64N 119.02W Base Elevation: 7953 ft Peak Elevation: 11053 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Sun 28DEC2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Sun 10AM 28DEC25 6.0 9.0 113 7.0 10.5 70 Sun 01PM 28DEC25 3.6 5.4 105 5.0 7.4 72 Sun 04PM 28DEC25 7.7 11.6 51 6.1 9.1 54 Sun 07PM 28DEC25 15.4 23.1 34 10.6 15.9 46 Sun 10PM 28DEC25 16.0 24.0 39 10.5 15.8 61 Mon 01AM 29DEC25 14.2 21.2 39 9.8 14.7 52 Mon 04AM 29DEC25 16.7 25.0 24 13.0 19.5 24 Mon 07AM 29DEC25 24.7 37.0 17 18.4 27.7 18 Mon 10AM 29DEC25 23.1 34.6 18 16.9 25.4 22 Mon 01PM 29DEC25 16.7 25.0 22 11.8 17.7 32 Mon 04PM 29DEC25 16.2 24.3 27 11.0 16.6 34 Mon 07PM 29DEC25 16.0 23.9 35 10.4 15.6 50 Mon 10PM 29DEC25 14.5 21.8 44 9.7 14.5 78 Tue 01AM 30DEC25 12.3 18.5 56 9.5 14.3 101 Tue 04AM 30DEC25 8.4 12.7 58 6.0 9.0 94 Tue 07AM 30DEC25 10.8 16.2 52 7.6 11.4 88 Tue 10AM 30DEC25 9.3 14.0 48 7.6 11.5 93 Tue 01PM 30DEC25 2.7 4.0 44 3.9 5.8 102 Tue 04PM 30DEC25 3.6 5.3 87 3.7 5.6 116 Tue 07PM 30DEC25 5.7 8.6 94 6.6 9.9 127 Tue 10PM 30DEC25 7.4 11.1 80 8.7 13.1 120 Wed 01AM 31DEC25 8.1 12.1 91 11.7 17.5 128 Wed 04AM 31DEC25 7.5 11.3 96 11.1 16.6 131 Wed 07AM 31DEC25 6.9 10.3 67 7.4 11.1 113 Wed 10AM 31DEC25 9.5 14.2 45 8.4 12.6 98 Wed 01PM 31DEC25 9.5 14.2 58 13.4 20.1 111 Wed 04PM 31DEC25 7.6 11.4 155 15.1 22.7 165 Wed 07PM 31DEC25 12.0 18.1 160 17.9 26.8 167 Wed 10PM 31DEC25 9.9 14.8 164 14.5 21.7 168 Thu 01AM 01JAN26 10.2 15.2 180 19.4 29.2 180 Thu 04AM 01JAN26 14.5 21.8 181 22.0 33.0 179 Thu 07AM 01JAN26 9.7 14.5 174 16.9 25.4 175 Thu 10AM 01JAN26 14.2 21.2 187 21.2 31.8 183 Thu 01PM 01JAN26 14.6 21.9 187 17.7 26.5 184 Thu 04PM 01JAN26 15.8 23.8 188 17.3 26.0 185 Thu 07PM 01JAN26 22.8 34.3 184 18.3 27.4 183 Thu 10PM 01JAN26 22.2 33.3 183 21.5 32.2 181 Fri 01AM 02JAN26 18.4 27.6 179 18.3 27.4 178 Fri 04AM 02JAN26 21.8 32.7 179 23.6 35.4 180 Fri 07AM 02JAN26 18.0 27.0 180 24.2 36.3 180 Fri 10AM 02JAN26 18.4 27.6 185 27.9 41.8 183 Fri 01PM 02JAN26 19.1 28.7 194 27.5 41.2 189 Fri 04PM 02JAN26 21.7 32.6 188 33.3 50.0 185 Fri 07PM 02JAN26 19.3 29.0 204 31.6 47.3 195 Fri 10PM 02JAN26 26.6 39.8 193 37.6 56.5 188 Sat 01AM 03JAN26 27.5 41.2 197 40.3 60.5 191 Sat 04AM 03JAN26 35.7 53.6 195 46.4 69.7 192 Sat 07AM 03JAN26 32.3 48.4 195 41.2 61.8 190 Sat 10AM 03JAN26 27.6 41.4 193 33.3 49.9 190 Sat 01PM 03JAN26 26.8 40.2 193 34.5 51.8 189 Sat 04PM 03JAN26 18.4 27.5 194 25.3 38.0 189 Sat 07PM 03JAN26 13.1 19.6 185 20.4 30.7 183 Sat 10PM 03JAN26 12.1 18.1 184 19.2 28.7 183 Sun 01AM 04JAN26 16.1 24.2 191 23.7 35.6 188 Sun 04AM 04JAN26 14.6 21.9 184 19.6 29.3 185 Sun 07AM 04JAN26 9.2 13.8 211 13.8 20.6 200 Sun 10AM 04JAN26 13.5 20.3 192 11.2 16.8 192 Sun 01PM 04JAN26 15.0 22.5 195 10.3 15.5 199 Sun 04PM 04JAN26 19.4 29.1 182 12.5 18.8 184 Sun 07PM 04JAN26 20.5 30.8 170 15.6 23.3 171 Sun 10PM 04JAN26 23.4 35.2 172 21.3 32.0 174 Mon 01AM 05JAN26 26.7 40.1 173 24.7 37.0 175 Mon 04AM 05JAN26 27.2 40.9 175 24.4 36.7 176 Mon 07AM 05JAN26 26.1 39.2 174 26.0 38.9 176 Mon 10AM 05JAN26 19.7 29.5 181 18.6 27.9 180 Mon 01PM 05JAN26 22.5 33.8 181 22.9 34.4 182 Mon 04PM 05JAN26 24.3 36.4 179 24.4 36.6 179 Mon 07PM 05JAN26 30.5 45.8 180 30.6 45.9 179 Mon 10PM 05JAN26 31.5 47.3 179 25.5 38.3 179 Tue 01AM 06JAN26 22.2 33.2 185 20.4 30.6 185 Tue 04AM 06JAN26 20.9 31.4 191 18.2 27.4 190 Tue 07AM 06JAN26 9.0 13.5 200 6.6 9.9 208 Tue 10AM 06JAN26 16.0 24.0 228 18.0 27.0 286 Tue 01PM 06JAN26 18.2 27.3 233 25.6 38.4 289 Tue 04PM 06JAN26 17.9 26.9 232 28.9 43.3 289 Tue 07PM 06JAN26 16.4 24.6 106 26.8 40.2 60 Tue 10PM 06JAN26 13.2 19.8 109 19.8 29.7 62 Wed 01AM 07JAN26 17.9 26.8 124 21.8 32.7 70 Wed 04AM 07JAN26 19.0 28.5 127 21.1 31.6 72 Wed 07AM 07JAN26 24.5 36.8 133 18.6 27.8 75 Wed 10AM 07JAN26 30.5 45.8 139 18.4 27.6 81

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