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Donner_Summit_I80 - Wind Forecast Location: 39.34N 120.34W Base Elevation: 7259 ft Peak Elevation: 7259 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Thu 17SEP2026 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Thu 10AM 17SEP26 16.0 25.0 242 - - - Thu 01PM 17SEP26 13.2 20.7 232 - - - Thu 04PM 17SEP26 11.9 18.6 235 - - - Thu 07PM 17SEP26 12.6 19.6 261 - - - Thu 10PM 17SEP26 11.0 17.1 267 - - - Fri 01AM 18SEP26 7.0 10.9 274 - - - Fri 04AM 18SEP26 5.4 8.5 185 - - - Fri 07AM 18SEP26 6.5 10.1 202 - - - Fri 10AM 18SEP26 8.5 13.3 172 - - - Fri 01PM 18SEP26 6.0 9.3 140 - - - Fri 04PM 18SEP26 5.4 8.4 151 - - - Fri 07PM 18SEP26 6.1 9.4 56 - - - Fri 10PM 18SEP26 6.1 9.5 43 - - - Sat 01AM 19SEP26 4.9 7.7 210 - - - Sat 04AM 19SEP26 4.6 7.2 202 - - - Sat 07AM 19SEP26 4.3 6.8 220 - - - Sat 10AM 19SEP26 2.9 4.5 224 - - - Sat 01PM 19SEP26 2.9 4.5 204 - - - Sat 04PM 19SEP26 6.7 10.4 141 - - - Sat 07PM 19SEP26 2.2 3.5 193 - - - Sat 10PM 19SEP26 1.3 2.1 78 - - - Sun 01AM 20SEP26 3.7 5.8 155 - - - Sun 04AM 20SEP26 3.6 5.7 153 - - - Sun 07AM 20SEP26 3.9 6.1 160 - - - Sun 10AM 20SEP26 3.9 6.1 147 - - - Sun 01PM 20SEP26 2.1 3.3 224 - - - Sun 04PM 20SEP26 8.1 12.7 144 - - - Sun 07PM 20SEP26 8.1 12.7 90 - - - Sun 10PM 20SEP26 4.4 6.9 182 - - - Mon 01AM 21SEP26 6.5 10.2 189 - - - Mon 04AM 21SEP26 2.9 4.5 176 - - - Mon 07AM 21SEP26 3.9 6.0 68 - - - Mon 10AM 21SEP26 4.4 6.9 53 - - - Mon 01PM 21SEP26 1.4 2.7 70 - - - Mon 04PM 21SEP26 5.5 8.6 124 - - - Mon 07PM 21SEP26 8.3 12.9 92 - - - Mon 10PM 21SEP26 8.3 13.0 86 - - - Tue 01AM 22SEP26 4.6 7.2 78 - - - Tue 04AM 22SEP26 2.1 3.3 180 - - - Tue 07AM 22SEP26 1.1 1.8 226 - - - Tue 10AM 22SEP26 1.6 2.6 82 - - - Tue 01PM 22SEP26 3.8 5.9 203 - - - Tue 04PM 22SEP26 7.3 11.4 152 - - - Tue 07PM 22SEP26 6.3 9.8 96 - - - Tue 10PM 22SEP26 3.7 5.7 170 - - - Wed 01AM 23SEP26 7.8 12.1 278 - - - Wed 04AM 23SEP26 8.6 13.4 277 - - - Wed 07AM 23SEP26 8.2 12.8 271 - - - Wed 10AM 23SEP26 7.9 12.4 239 - - - Wed 01PM 23SEP26 9.6 14.9 221 - - - Wed 04PM 23SEP26 9.6 14.9 226 - - - Wed 07PM 23SEP26 10.0 15.6 178 - - - Wed 10PM 23SEP26 9.7 15.2 176 - - - Thu 01AM 24SEP26 8.8 13.7 175 - - - Thu 04AM 24SEP26 9.5 14.8 272 - - - Thu 07AM 24SEP26 13.1 20.4 271 - - - Thu 10AM 24SEP26 10.5 16.3 235 - - - Thu 01PM 24SEP26 13.0 20.3 225 - - - Thu 04PM 24SEP26 13.7 21.4 235 - - - Thu 07PM 24SEP26 19.4 30.3 260 - - - Thu 10PM 24SEP26 21.2 33.1 267 - - - Fri 01AM 25SEP26 22.4 34.9 267 - - - Fri 04AM 25SEP26 21.7 33.9 267 - - - Fri 07AM 25SEP26 20.2 31.5 265 - - - Fri 10AM 25SEP26 16.9 26.3 248 - - - Fri 01PM 25SEP26 15.6 24.3 236 - - - Fri 04PM 25SEP26 20.3 31.6 246 - - - Fri 07PM 25SEP26 18.0 28.1 264 - - - Fri 10PM 25SEP26 15.6 24.4 264 - - - Sat 01AM 26SEP26 13.7 21.4 180 - - - Sat 04AM 26SEP26 14.8 23.1 276 - - - Sat 07AM 26SEP26 14.5 22.6 269 - - - Sat 10AM 26SEP26 10.9 16.9 238 - - - Sat 01PM 26SEP26 12.3 19.1 232 - - - Sat 04PM 26SEP26 16.6 25.8 240 - - - Sat 07PM 26SEP26 18.5 28.8 261 - - - Sat 10PM 26SEP26 16.2 25.2 267 - - - Sun 01AM 27SEP26 14.6 22.8 266 - - - Sun 04AM 27SEP26 14.6 22.8 267 - - - Sun 07AM 27SEP26 15.0 23.4 267 - - - Sun 10AM 27SEP26 14.2 22.2 248 - - -

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