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: 06Z Tue 30DEC2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Mon 10PM 29DEC25 19.7 29.5 48 14.0 20.9 95 Tue 01AM 30DEC25 16.1 24.2 53 12.5 18.8 101 Tue 04AM 30DEC25 13.9 20.9 56 11.3 17.0 103 Tue 07AM 30DEC25 9.6 14.4 69 9.1 13.7 109 Tue 10AM 30DEC25 4.5 6.7 105 6.1 9.1 130 Tue 01PM 30DEC25 6.5 9.8 67 6.9 10.4 110 Tue 04PM 30DEC25 7.5 11.3 69 7.6 11.3 113 Tue 07PM 30DEC25 9.6 14.3 62 9.3 14.0 108 Tue 10PM 30DEC25 7.2 10.8 86 9.4 14.1 125 Wed 01AM 31DEC25 8.3 12.4 116 12.9 19.3 142 Wed 04AM 31DEC25 6.9 10.4 122 11.4 17.2 146 Wed 07AM 31DEC25 6.0 9.1 52 4.2 6.3 90 Wed 10AM 31DEC25 6.4 9.7 89 11.3 17.0 127 Wed 01PM 31DEC25 10.2 15.3 160 14.5 21.7 166 Wed 04PM 31DEC25 7.6 11.4 146 12.0 18.0 158 Wed 07PM 31DEC25 6.8 10.3 150 12.9 19.3 161 Wed 10PM 31DEC25 17.8 26.7 175 21.6 32.4 176 Thu 01AM 01JAN26 15.2 22.8 180 20.1 30.1 179 Thu 04AM 01JAN26 16.0 24.0 175 18.0 27.0 175 Thu 07AM 01JAN26 14.1 21.1 173 18.2 27.3 174 Thu 10AM 01JAN26 12.0 17.9 188 17.9 26.8 183 Thu 01PM 01JAN26 10.9 16.3 185 16.3 24.4 184 Thu 04PM 01JAN26 16.1 24.2 184 18.4 27.6 184 Thu 07PM 01JAN26 17.3 25.9 186 16.7 25.1 184 Thu 10PM 01JAN26 20.3 30.5 185 16.5 24.8 185 Fri 01AM 02JAN26 22.1 33.1 180 20.7 31.1 179 Fri 04AM 02JAN26 23.1 34.7 178 23.9 35.8 177 Fri 07AM 02JAN26 21.8 32.7 175 25.5 38.2 176 Fri 10AM 02JAN26 21.9 32.8 185 28.7 43.0 184 Fri 01PM 02JAN26 20.6 30.9 190 27.6 41.4 188 Fri 04PM 02JAN26 21.8 32.8 189 27.6 41.4 186 Fri 07PM 02JAN26 20.4 30.6 185 25.6 38.4 183 Fri 10PM 02JAN26 22.1 33.1 189 30.3 45.4 184 Sat 01AM 03JAN26 32.3 48.5 188 35.0 52.4 186 Sat 04AM 03JAN26 33.4 50.1 190 38.2 57.3 187 Sat 07AM 03JAN26 27.2 40.8 191 30.6 45.9 188 Sat 10AM 03JAN26 21.2 31.8 194 25.4 38.1 189 Sat 01PM 03JAN26 23.9 35.8 191 31.6 47.3 188 Sat 04PM 03JAN26 17.3 25.9 197 26.0 39.0 191 Sat 07PM 03JAN26 12.4 18.5 192 18.2 27.3 188 Sat 10PM 03JAN26 14.5 21.7 182 20.5 30.7 182 Sun 01AM 04JAN26 23.8 35.7 188 28.6 43.0 186 Sun 04AM 04JAN26 17.6 26.4 192 21.2 31.9 189 Sun 07AM 04JAN26 12.6 18.9 193 14.4 21.7 189 Sun 10AM 04JAN26 16.0 24.0 179 19.8 29.7 179 Sun 01PM 04JAN26 12.7 19.1 182 19.6 29.4 182 Sun 04PM 04JAN26 12.5 18.8 184 19.3 28.9 182 Sun 07PM 04JAN26 13.8 20.7 175 20.7 31.0 175 Sun 10PM 04JAN26 14.4 21.6 172 22.7 34.0 174 Mon 01AM 05JAN26 23.6 35.4 185 29.4 44.1 184 Mon 04AM 05JAN26 20.5 30.8 185 28.4 42.6 184 Mon 07AM 05JAN26 21.5 32.2 186 27.5 41.2 184 Mon 10AM 05JAN26 16.3 24.4 188 25.4 38.1 184 Mon 01PM 05JAN26 22.9 34.4 189 32.6 48.9 186 Mon 04PM 05JAN26 27.6 41.4 185 34.0 51.0 185 Mon 07PM 05JAN26 31.3 47.0 187 38.2 57.3 184 Mon 10PM 05JAN26 23.8 35.7 190 34.1 51.2 187 Tue 01AM 06JAN26 28.8 43.1 189 35.1 52.6 187 Tue 04AM 06JAN26 23.8 35.7 190 31.7 47.5 188 Tue 07AM 06JAN26 21.2 31.9 189 26.8 40.2 187 Tue 10AM 06JAN26 24.3 36.4 187 26.2 39.3 186 Tue 01PM 06JAN26 20.0 30.0 189 22.3 33.5 187 Tue 04PM 06JAN26 17.1 25.6 183 19.2 28.9 182 Tue 07PM 06JAN26 13.2 19.8 184 15.0 22.5 182 Tue 10PM 06JAN26 11.3 16.9 185 11.6 17.4 180 Wed 01AM 07JAN26 12.4 18.5 180 10.3 15.5 175 Wed 04AM 07JAN26 1.2 1.9 203 2.1 3.2 259 Wed 07AM 07JAN26 1.8 2.6 119 1.7 2.6 201 Wed 10AM 07JAN26 10.9 16.4 220 7.1 10.7 261 Wed 01PM 07JAN26 15.5 23.3 194 11.3 17.0 199 Wed 04PM 07JAN26 16.5 24.8 194 11.6 17.4 201 Wed 07PM 07JAN26 20.7 31.1 183 12.2 18.3 191 Wed 10PM 07JAN26 21.8 32.7 175 14.3 21.5 173 Thu 01AM 08JAN26 24.4 36.7 175 17.1 25.6 175 Thu 04AM 08JAN26 22.4 33.7 175 15.9 23.9 174 Thu 07AM 08JAN26 21.0 31.5 163 12.3 18.4 150 Thu 10AM 08JAN26 20.5 30.7 182 13.5 20.3 181 Thu 01PM 08JAN26 26.7 40.1 190 22.1 33.1 192 Thu 04PM 08JAN26 27.7 41.5 187 28.4 42.6 188 Thu 07PM 08JAN26 23.3 34.9 182 22.1 33.1 184 Thu 10PM 08JAN26 16.2 24.3 133 10.1 15.2 78

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