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Alta_I80 - Snow Level Forecast Location: 39.20N 120.81W Base Elevation: 3414 ft Peak Elevation: 3414 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Sun 14SEP2025 Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In) Sun 11AM 14SEP25 12681 14128 14709 78.2 - Sun 02PM 14SEP25 12702 14112 14706 83.1 0.0 Sun 05PM 14SEP25 12763 14149 14713 83.3 0.0 Sun 08PM 14SEP25 13894 14220 14728 67.5 0.0 Sun 11PM 14SEP25 13922 14238 14732 62.2 0.0 Mon 02AM 15SEP25 13934 14246 14733 61.3 0.0 Mon 05AM 15SEP25 13925 14240 14732 60.4 0.0 Mon 08AM 15SEP25 13896 14221 14728 66.4 0.0 Mon 11AM 15SEP25 13988 14282 14740 84.6 0.0 Mon 02PM 15SEP25 14019 14303 14745 89.9 0.0 Mon 05PM 15SEP25 14033 14312 14747 89.5 0.0 Mon 08PM 15SEP25 14021 14304 14745 71.6 0.0 Mon 11PM 15SEP25 14039 14316 14747 66.6 0.0 Tue 02AM 16SEP25 14040 14317 14748 65.6 0.0 Tue 05AM 16SEP25 14021 14304 14745 65.1 0.0 Tue 08AM 16SEP25 14019 14303 14745 70.8 0.0 Tue 11AM 16SEP25 14037 14315 14747 89.9 0.0 Tue 02PM 16SEP25 14038 14316 14747 94.1 0.0 Tue 05PM 16SEP25 14001 14291 14742 93.2 0.0 Tue 08PM 16SEP25 13946 14254 14735 74.8 0.0 Tue 11PM 16SEP25 13839 14183 14720 69.4 0.0 Wed 02AM 17SEP25 12655 14054 14694 68.0 0.0 Wed 05AM 17SEP25 12691 14088 14701 67.5 0.0 Wed 08AM 17SEP25 13905 14227 14729 73.3 0.0 Wed 11AM 17SEP25 12752 14140 14711 92.7 0.0 Wed 02PM 17SEP25 12712 14101 14704 96.3 0.0 Wed 05PM 17SEP25 12686 14066 14696 94.8 0.0 Wed 08PM 17SEP25 12631 14001 14683 78.8 0.0 Wed 11PM 17SEP25 12583 13924 14667 73.0 0.0 Thu 02AM 18SEP25 12586 13935 14670 70.8 0.0 Thu 05AM 18SEP25 12543 13860 14654 72.2 0.0 Thu 08AM 18SEP25 12481 12740 14628 75.1 0.0 Thu 11AM 18SEP25 12383 12612 14525 84.9 0.0 Thu 02PM 18SEP25 12457 12727 14622 86.7 0.0 Thu 05PM 18SEP25 12597 13985 14680 87.9 0.0 Thu 08PM 18SEP25 12444 12729 14624 73.3 0.0 Thu 11PM 18SEP25 12438 12756 14636 71.5 0.0 Fri 02AM 19SEP25 12241 12507 14419 67.6 0.0 Fri 05AM 19SEP25 12267 12556 14510 64.3 0.0 Fri 08AM 19SEP25 12241 12547 14514 66.4 0.0 Fri 11AM 19SEP25 12117 12443 14414 72.7 0.0 Fri 02PM 19SEP25 12154 12508 14510 85.0 0.0 Fri 05PM 19SEP25 12305 12738 14633 84.2 0.0 Fri 08PM 19SEP25 12339 12715 14624 75.0 0.0 Fri 11PM 19SEP25 12423 13883 14659 66.7 0.0 Sat 02AM 20SEP25 12315 12686 14613 63.6 0.0 Sat 05AM 20SEP25 12020 12367 14329 61.5 0.0 Sat 08AM 20SEP25 11844 12208 13846 64.3 0.0 Sat 11AM 20SEP25 10798 12206 14259 77.1 0.0 Sat 02PM 20SEP25 11858 12241 14133 82.5 0.0 Sat 05PM 20SEP25 11846 12193 12733 81.0 0.0 Sat 08PM 20SEP25 11876 12148 12571 68.5 0.0 Sat 11PM 20SEP25 10804 12144 12735 62.1 0.0 Sun 02AM 21SEP25 11821 12204 13994 58.6 0.0 Sun 05AM 21SEP25 10634 12027 12621 57.1 0.0 Sun 08AM 21SEP25 10550 11939 12543 61.8 0.0 Sun 11AM 21SEP25 10600 11975 12633 75.3 0.0 Sun 02PM 21SEP25 10674 11978 12487 79.7 0.0 Sun 05PM 21SEP25 10654 11951 12445 78.6 0.0 Sun 08PM 21SEP25 10613 11903 12393 64.0 0.0 Sun 11PM 21SEP25 10674 11965 12461 59.2 0.0 Mon 02AM 22SEP25 10727 12012 12513 58.1 0.0 Mon 05AM 22SEP25 11902 12300 14314 57.4 0.0 Mon 08AM 22SEP25 12246 12744 14635 62.0 0.0 Mon 11AM 22SEP25 12759 14150 14714 80.4 0.0 Mon 02PM 22SEP25 14010 14297 14743 85.6 0.0 Mon 05PM 22SEP25 14182 14411 14767 87.0 0.0 Mon 08PM 22SEP25 14196 14420 14768 70.6 0.0 Mon 11PM 22SEP25 14269 14468 14778 66.1 0.0 Tue 02AM 23SEP25 14201 14424 14769 64.6 0.0 Tue 05AM 23SEP25 14175 14407 14766 62.0 0.0 Tue 08AM 23SEP25 14174 14405 14765 67.2 0.0 Tue 11AM 23SEP25 14159 14396 14763 87.3 0.0 Tue 02PM 23SEP25 14143 14385 14761 92.2 0.0 Tue 05PM 23SEP25 14127 14375 14759 91.2 0.0 Tue 08PM 23SEP25 14121 14370 14758 72.7 0.0 Tue 11PM 23SEP25 14149 14389 14762 68.3 0.0 Wed 02AM 24SEP25 14093 14352 14755 67.0 0.0 Wed 05AM 24SEP25 14008 14296 14743 66.3 0.0 Wed 08AM 24SEP25 13984 14280 14740 70.8 0.0 Wed 11AM 24SEP25 13825 14174 14718 87.4 0.0

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