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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: 12Z Fri 31JUL2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Fri 04AM 31JUL26 12.3 19.2 269 - - -
Fri 07AM 31JUL26 11.9 18.5 267 - - -
Fri 10AM 31JUL26 11.6 18.1 244 - - -
Fri 01PM 31JUL26 11.8 18.4 234 - - -
Fri 04PM 31JUL26 14.7 22.9 242 - - -
Fri 07PM 31JUL26 12.2 19.1 260 - - -
Fri 10PM 31JUL26 11.4 17.7 267 - - -
Sat 01AM 01AUG26 12.5 19.5 268 - - -
Sat 04AM 01AUG26 10.9 17.0 264 - - -
Sat 07AM 01AUG26 12.4 19.4 263 - - -
Sat 10AM 01AUG26 13.5 21.0 246 - - -
Sat 01PM 01AUG26 12.9 20.1 237 - - -
Sat 04PM 01AUG26 14.4 22.4 241 - - -
Sat 07PM 01AUG26 14.0 21.9 261 - - -
Sat 10PM 01AUG26 15.6 24.4 269 - - -
Sun 01AM 02AUG26 14.3 22.3 267 - - -
Sun 04AM 02AUG26 10.7 16.6 269 - - -
Sun 07AM 02AUG26 9.8 15.3 268 - - -
Sun 10AM 02AUG26 11.3 17.6 240 - - -
Sun 01PM 02AUG26 11.5 17.9 231 - - -
Sun 04PM 02AUG26 11.6 18.1 235 - - -
Sun 07PM 02AUG26 9.8 15.3 253 - - -
Sun 10PM 02AUG26 8.3 12.9 259 - - -
Mon 01AM 03AUG26 10.3 16.0 263 - - -
Mon 04AM 03AUG26 10.1 15.7 266 - - -
Mon 07AM 03AUG26 9.9 15.5 265 - - -
Mon 10AM 03AUG26 8.3 12.9 237 - - -
Mon 01PM 03AUG26 7.9 12.2 211 - - -
Mon 04PM 03AUG26 7.0 11.0 219 - - -
Mon 07PM 03AUG26 5.5 8.6 248 - - -
Mon 10PM 03AUG26 2.8 4.3 286 - - -
Tue 01AM 04AUG26 4.9 7.6 313 - - -
Tue 04AM 04AUG26 7.6 11.9 282 - - -
Tue 07AM 04AUG26 9.5 14.8 276 - - -
Tue 10AM 04AUG26 7.4 11.5 243 - - -
Tue 01PM 04AUG26 7.8 12.1 218 - - -
Tue 04PM 04AUG26 8.6 13.5 228 - - -
Tue 07PM 04AUG26 9.8 15.3 252 - - -
Tue 10PM 04AUG26 10.3 16.1 268 - - -
Wed 01AM 05AUG26 11.3 17.7 266 - - -
Wed 04AM 05AUG26 10.9 17.0 265 - - -
Wed 07AM 05AUG26 10.2 15.9 264 - - -
Wed 10AM 05AUG26 11.5 17.9 239 - - -
Wed 01PM 05AUG26 13.6 21.2 236 - - -
Wed 04PM 05AUG26 16.4 25.6 244 - - -
Wed 07PM 05AUG26 15.4 24.1 261 - - -
Wed 10PM 05AUG26 11.5 17.9 261 - - -
Thu 01AM 06AUG26 9.0 14.1 257 - - -
Thu 04AM 06AUG26 10.5 16.4 267 - - -
Thu 07AM 06AUG26 13.5 21.0 266 - - -
Thu 10AM 06AUG26 13.8 21.6 245 - - -
Thu 01PM 06AUG26 13.4 20.9 236 - - -
Thu 04PM 06AUG26 14.1 22.0 238 - - -
Thu 07PM 06AUG26 11.1 17.3 255 - - -
Thu 10PM 06AUG26 6.8 10.7 249 - - -
Fri 01AM 07AUG26 6.8 10.6 255 - - -
Fri 04AM 07AUG26 7.1 11.0 264 - - -
Fri 07AM 07AUG26 7.6 11.9 263 - - -
Fri 10AM 07AUG26 7.7 12.0 237 - - -
Fri 01PM 07AUG26 7.6 11.8 211 - - -
Fri 04PM 07AUG26 7.8 12.1 221 - - -
Fri 07PM 07AUG26 4.8 7.5 250 - - -
Fri 10PM 07AUG26 1.5 2.4 286 - - -
Sat 01AM 08AUG26 3.7 5.7 284 - - -
Sat 04AM 08AUG26 5.9 9.2 268 - - -
Sat 07AM 08AUG26 10.0 15.6 270 - - -
Sat 10AM 08AUG26 10.3 16.1 244 - - -
Sat 01PM 08AUG26 11.6 18.0 240 - - -
Sat 04PM 08AUG26 13.6 21.2 243 - - -
Sat 07PM 08AUG26 13.5 21.0 261 - - -
Sat 10PM 08AUG26 11.7 18.3 261 - - -
Sun 01AM 09AUG26 11.5 18.0 256 - - -
Sun 04AM 09AUG26 12.8 19.9 262 - - -
Sun 07AM 09AUG26 15.4 24.1 264 - - -
Sun 10AM 09AUG26 18.0 28.1 247 - - -
Sun 01PM 09AUG26 20.3 31.7 244 - - -
Sun 04PM 09AUG26 24.0 37.5 249 - - -
Sun 07PM 09AUG26 23.0 35.8 262 - - -
Sun 10PM 09AUG26 21.6 33.7 262 - - -
Mon 01AM 10AUG26 22.2 34.6 265 - - -
Mon 04AM 10AUG26 23.4 36.5 265 - - -

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