Each colour starts at the value shown. Wind colours match across all three units. Dry cells stay neutral. Colours describe the displayed values, not official weather warnings.
ECMWF IFS · Run 2026-10-09 18:00:00 UTC · 6 days · Times: America/Los_Angeles.
Coordinates: 47.4250297°N, -121.4170567°E · Requested elevation: 913 m. Model terrain: 1131 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
Outside the available profile, temperature uses an estimated 5.5°C/km height correction; wind retains the nearest available model-level value. Humidity is estimated with adjusted pressure and temperature.
These are altitude estimates, not a simulation of local mountain terrain. Precipitation, cloud and sea-level pressure use horizontal interpolation only.
Precipitation includes rain and snow water equivalent: preceding 3 hours through day 6, then 6 hours (see cell tooltip). Snow (cm) estimates fresh snowfall from precipitation and temperature using the GFS conversion; it is not snow depth on the ground. Freezing (m) estimates the lowest resolved 0°C crossing above sea level. When all sampled levels are warm, the upper profile limit is shown (see tooltip). < marks an entirely cold sampled profile and its lower height limit. No extrapolation is used.
Day Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Friday, 09/10 11:00 8.2 94 17 9 3B W — — 1009 2336 Overcast 100% cloud 14:00 7.1 85 11 6 2B W 4.2 0 1010 2032 Overcast 86% cloud 17:00 5.9 82 9 5 2B W 1.6 0 1011 1834 Overcast 96% cloud 20:00 4.4 90 8 4 2B W 0.50 0 1011 1562 Overcast 100% cloud 23:00 3.6 92 8 4 2B W 0.48 0 1011 1450 Overcast 96% cloud Saturday, 10/10 02:00 3.2 93 7 4 2B W 0.22 0 1011 1401 Overcast 97% cloud 05:00 3.2 93 7 4 2B W 0.21 0 1010 1402 Overcast 98% cloud 08:00 3.2 92 5 3 1B W 0.38 0 1011 1394 Overcast 96% cloud 11:00 4.9 83 5 3 1B NW 0.44 0 1011 1488 Overcast 94% cloud 14:00 6.3 75 7 4 2B NW 0.51 0 1011 1655 Cloudy 80% cloud 17:00 5.7 78 6 3 1B NW 0.73 0 1012 1706 Cloudy 61% cloud 20:00 3.2 91 1 1 1B N 0.75 0 1014 1630 Cloudy 71% cloud 23:00 0.8 93 4 2 1B E 0.10 0 1014 1180 Cloudy 65% cloud Sunday, 11/10 02:00 0.3 93 5 3 1B E 0 0 1014 1221 Overcast 88% cloud 05:00 0.2 92 5 3 1B E 0 0 1016 1242 Cloudy 68% cloud 08:00 0.6 93 6 3 2B E 0.00 0 1017 1211 Overcast 83% cloud 11:00 8 56 6 3 2B E 0 0 1016 1820 Clear 10% cloud 14:00 10.5 41 6 3 2B NE 0.04 0 1014 2011 Cloudy 77% cloud 17:00 9.3 49 4 2 1B N 0.02 0 1014 2034 Partly cloudy 43% cloud 20:00 4.8 80 2 1 1B NE 0.03 0 1016 1949 Partly cloudy 46% cloud 23:00 2.1 81 2 1 1B E 0 0 1016 2104 Clear 0% cloud Monday, 12/10 02:00 1.2 78 2 1 1B E 0 0 1016 1137 Clear 4% cloud 05:00 1.2 75 2 1 1B E 0 0 1017 2199 Clear 5% cloud 08:00 2.2 75 2 1 1B E 0 0 1018 2363 Clear 6% cloud 11:00 9.8 47 4 2 1B W 0 0 1018 2508 Clear 1% cloud 14:00 11.8 43 8 4 2B W 0 0 1016 2839 Clear 0% cloud 17:00 9.8 53 7 4 2B NW 0 0 1017 3055 Clear 0% cloud 20:00 3.9 80 1 1 1B E 0 0 1018 3061 Clear 0% cloud 23:00 2.7 80 1 1 1B E 0 0 1019 3070 Clear 0% cloud Tuesday, 13/10 02:00 2.6 70 1 1 0B NE 0 0 1019 3075 Clear 4% cloud 05:00 2.8 61 1 0 0B NE 0 0 1019 3078 Clear 0% cloud 08:00 3.8 55 1 0 0B E 0 0 1020 3088 Clear 8% cloud 11:00 11.6 33 3 2 1B W 0 0 1019 3098 Clear 18% cloud 14:00 14.1 36 7 4 2B W 0 0 1019 3102 Clear 17% cloud 17:00 12.2 51 5 3 1B NW 0 0 1019 3104 Clear 7% cloud 20:00 6.8 75 1 0 0B NE 0 0 1020 3112 Clear 1% cloud 23:00 5.4 78 1 0 0B E 0 0 1021 3118 Partly cloudy 27% cloud Wednesday, 14/10 02:00 5.6 74 1 0 0B E 0 0 1021 3121 Cloudy 66% cloud 05:00 5.5 71 0 0 0B E 0 0 1022 3124 Clear 12% cloud 08:00 6.2 73 0 0 0B NW 0 0 1023 3133 Clear 7% cloud 11:00 13.1 54 6 3 2B W 0 0 1023 3142 Clear 9% cloud 14:00 14.5 51 8 5 2B W 0 0 1023 3145 Partly cloudy 48% cloud 17:00 12.6 62 7 4 2B NW 0 0 1024 3146 Clear 9% cloud 20:00 7.8 85 1 0 0B NE 0 0 1025 3154 Cloudy 65% cloud 23:00 6.3 85 2 1 1B E 0 0 1025 3162 Cloudy 65% cloud Thursday, 15/10 02:00 5.5 83 4 2 1B E 0 0 1023 3161 Cloudy 67% cloud 05:00 6.1 81 5 3 1B E 0 0 1023 3161 Overcast 94% cloud 08:00 7.2 80 9 5 2B E 0 0 1024 3165 Overcast 81% cloud 11:00 15 49 10 5 2B SE 0 0 1024 3172 Overcast 95% cloud |
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Source: ECMWF · CC BY 4.0 · Processed by Snow Report.
Summit West is a downhill ski area in Washington, United States. Mapped terrain includes easy, intermediate, advanced routes. Its mapped lift network extends from approximately 913 to 1150 metres above sea level.
Data: OpenSkiData / OpenSkiMap, OpenStreetMap contributors (ODbL), Skimap.org, Who's On First, Mapterhorn.
ECMWF IFS · Run 2026-10-09 18:00:00 UTC · 6 days · Times: America/Los_Angeles.
Coordinates: 47.4225233°N, -121.4162343°E · Requested elevation: 926 m. Model terrain: 1129 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
Outside the available profile, temperature uses an estimated 5.5°C/km height correction; wind retains the nearest available model-level value. Humidity is estimated with adjusted pressure and temperature.
These are altitude estimates, not a simulation of local mountain terrain. Precipitation, cloud and sea-level pressure use horizontal interpolation only.
Precipitation includes rain and snow water equivalent: preceding 3 hours through day 6, then 6 hours (see cell tooltip). Snow (cm) estimates fresh snowfall from precipitation and temperature using the GFS conversion; it is not snow depth on the ground. Freezing (m) estimates the lowest resolved 0°C crossing above sea level. When all sampled levels are warm, the upper profile limit is shown (see tooltip). < marks an entirely cold sampled profile and its lower height limit. No extrapolation is used.
Day Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Friday, 09/10 11:00 8.1 94 17 9 3B W — — 1009 2337 Overcast 100% cloud 14:00 7.1 85 11 6 2B W 4.2 0 1010 2035 Overcast 86% cloud 17:00 5.8 82 9 5 2B W 1.6 0 1011 1836 Overcast 96% cloud 20:00 4.4 90 8 4 2B W 0.50 0 1011 1563 Overcast 100% cloud 23:00 3.6 93 8 4 2B W 0.49 0 1011 1450 Overcast 96% cloud Saturday, 10/10 02:00 3.1 93 7 4 2B W 0.22 0 1011 1401 Overcast 96% cloud 05:00 3.1 93 7 4 2B W 0.21 0 1010 1401 Overcast 98% cloud 08:00 3.1 92 5 3 1B W 0.37 0 1011 1394 Overcast 96% cloud 11:00 4.8 83 5 3 1B NW 0.43 0 1011 1489 Overcast 94% cloud 14:00 6.3 75 7 4 2B NW 0.50 0 1011 1656 Cloudy 80% cloud 17:00 5.7 79 6 3 1B NW 0.72 0 1012 1707 Cloudy 61% cloud 20:00 3.1 92 1 1 1B N 0.76 0 1014 1630 Cloudy 71% cloud 23:00 0.8 93 3 2 1B E 0.10 0 1014 1177 Cloudy 65% cloud Sunday, 11/10 02:00 0.2 93 5 3 1B E 0 0 1014 1219 Overcast 88% cloud 05:00 0.1 92 5 3 1B E 0 0 1016 1240 Cloudy 69% cloud 08:00 0.5 93 6 3 2B E 0.00 0 1017 1209 Overcast 83% cloud 11:00 8 56 6 3 2B E 0 0 1016 1819 Clear 10% cloud 14:00 10.5 41 6 3 1B NE 0.04 0 1014 2011 Cloudy 77% cloud 17:00 9.2 49 4 2 1B N 0.02 0 1014 2034 Partly cloudy 43% cloud 20:00 4.7 80 2 1 1B NE 0.03 0 1016 1949 Partly cloudy 46% cloud 23:00 2 81 2 1 1B E 0 0 1016 2103 Clear 0% cloud Monday, 12/10 02:00 1.1 78 2 1 1B E 0 0 1016 1137 Clear 4% cloud 05:00 1.1 75 2 1 1B E 0 0 1017 2198 Clear 6% cloud 08:00 2.1 75 2 1 1B E 0 0 1018 2362 Clear 6% cloud 11:00 9.7 47 4 2 1B W 0 0 1018 2507 Clear 1% cloud 14:00 11.7 43 8 4 2B W 0 0 1016 2839 Clear 0% cloud 17:00 9.7 54 7 4 2B NW 0 0 1017 3055 Clear 0% cloud 20:00 3.8 80 1 1 1B E 0 0 1018 3061 Clear 0% cloud 23:00 2.6 80 1 1 1B E 0 0 1019 3070 Clear 0% cloud Tuesday, 13/10 02:00 2.5 70 1 1 0B NE 0 0 1019 3075 Clear 4% cloud 05:00 2.7 61 1 0 0B NE 0 0 1019 3078 Clear 0% cloud 08:00 3.7 55 1 0 0B E 0 0 1020 3088 Clear 8% cloud 11:00 11.5 33 3 2 1B W 0 0 1019 3098 Clear 18% cloud 14:00 14.1 36 7 4 2B W 0 0 1019 3102 Clear 17% cloud 17:00 12.2 51 6 3 1B NW 0 0 1019 3104 Clear 7% cloud 20:00 6.7 76 1 0 0B NE 0 0 1020 3112 Clear 1% cloud 23:00 5.3 79 1 0 0B E 0 0 1021 3118 Partly cloudy 27% cloud Wednesday, 14/10 02:00 5.5 75 1 0 0B E 0 0 1021 3121 Cloudy 66% cloud 05:00 5.4 72 0 0 0B E 0 0 1022 3124 Clear 13% cloud 08:00 6.1 73 0 0 0B NW 0 0 1023 3133 Clear 7% cloud 11:00 13 54 6 3 2B W 0 0 1023 3142 Clear 9% cloud 14:00 14.5 51 8 5 2B W 0 0 1023 3145 Partly cloudy 48% cloud 17:00 12.5 62 7 4 2B NW 0 0 1024 3146 Clear 9% cloud 20:00 7.7 85 1 0 0B NE 0 0 1025 3154 Cloudy 65% cloud 23:00 6.2 85 2 1 1B E 0 0 1025 3162 Cloudy 65% cloud Thursday, 15/10 02:00 5.4 84 4 2 1B E 0 0 1023 3161 Cloudy 67% cloud 05:00 6 81 6 3 1B E 0 0 1023 3161 Overcast 94% cloud 08:00 7.1 80 9 5 2B E 0 0 1024 3165 Overcast 80% cloud 11:00 14.9 49 10 5 2B SE 0 0 1024 3172 Overcast 95% cloud |
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Source: ECMWF · CC BY 4.0 · Processed by Snow Report.
ECMWF IFS · Run 2026-10-09 18:00:00 UTC · 6 days · Times: America/Los_Angeles.
Coordinates: 47.4157627°N, -121.4236089°E · Requested elevation: 1150 m. Model terrain: 1118 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
These are altitude estimates, not a simulation of local mountain terrain. Precipitation, cloud and sea-level pressure use horizontal interpolation only.
Precipitation includes rain and snow water equivalent: preceding 3 hours through day 6, then 6 hours (see cell tooltip). Snow (cm) estimates fresh snowfall from precipitation and temperature using the GFS conversion; it is not snow depth on the ground. Freezing (m) estimates the lowest resolved 0°C crossing above sea level. When all sampled levels are warm, the upper profile limit is shown (see tooltip). < marks an entirely cold sampled profile and its lower height limit. No extrapolation is used.
Day Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Friday, 09/10 11:00 6.8 99 20 11 4B W — — 1009 2340 Overcast 100% cloud 14:00 5.8 89 13 7 3B W 4.1 0 1010 2041 Overcast 84% cloud 17:00 4.5 86 11 6 2B W 1.5 0 1011 1841 Overcast 96% cloud 20:00 3 95 9 5 2B W 0.50 0 1011 1565 Overcast 100% cloud 23:00 2.2 98 9 5 2B W 0.51 0 1011 1451 Overcast 95% cloud Saturday, 10/10 02:00 1.8 98 9 5 2B W 0.21 0 1011 1400 Overcast 96% cloud 05:00 1.8 98 8 4 2B W 0.20 0 1010 1400 Overcast 98% cloud 08:00 1.8 98 6 3 2B W 0.36 0 1011 1392 Overcast 95% cloud 11:00 3.4 89 6 3 1B W 0.42 0 1011 1488 Overcast 94% cloud 14:00 4.8 80 8 4 2B NW 0.50 0 1011 1652 Overcast 81% cloud 17:00 4.3 83 6 3 2B NW 0.70 0 1012 1706 Cloudy 60% cloud 20:00 2 96 2 1 1B N 0.73 0 1014 1629 Cloudy 71% cloud 23:00 -0 96 4 2 1B E 0.10 0 1014 1157 Cloudy 62% cloud Sunday, 11/10 02:00 -0.5 96 6 3 2B E 0 0 1014 1205 Overcast 88% cloud 05:00 -0.6 95 6 3 2B E 0 0 1016 1227 Cloudy 69% cloud 08:00 -0.3 95 7 4 2B E 0.00 0 1017 1192 Overcast 82% cloud 11:00 6.5 60 7 4 2B E 0 0 1016 1817 Clear 10% cloud 14:00 9 44 6 3 2B NE 0.04 0 1013 2010 Cloudy 77% cloud 17:00 7.9 52 4 2 1B N 0.02 0 1013 2033 Partly cloudy 44% cloud 20:00 3.7 83 2 1 1B NE 0.03 0 1016 1949 Partly cloudy 45% cloud 23:00 1.2 83 3 1 1B E 0 0 1016 2104 Clear 0% cloud Monday, 12/10 02:00 0.3 79 2 1 1B E 0 0 1016 1125 Clear 4% cloud 05:00 0.3 77 2 1 1B E 0 0 1017 1123 Clear 6% cloud 08:00 1.2 77 2 1 1B E 0 0 1018 2362 Clear 7% cloud 11:00 8.2 50 4 2 1B W 0 0 1018 2506 Clear 1% cloud 14:00 10.2 46 8 4 2B W 0 0 1016 2837 Clear 0% cloud 17:00 8.3 57 8 4 2B NW 0 0 1017 3055 Clear 0% cloud 20:00 3 80 1 1 0B NE 0 0 1018 3061 Clear 0% cloud 23:00 1.7 80 1 0 0B NE 0 0 1019 3070 Clear 0% cloud Tuesday, 13/10 02:00 1.6 70 2 1 1B N 0 0 1019 3075 Clear 4% cloud 05:00 1.8 61 1 1 1B N 0 0 1019 3078 Clear 0% cloud 08:00 2.8 56 1 0 0B N 0 0 1020 3088 Clear 8% cloud 11:00 10.1 35 3 2 1B W 0 0 1019 3098 Clear 18% cloud 14:00 12.6 38 7 4 2B W 0 0 1019 3102 Clear 16% cloud 17:00 10.8 54 6 3 2B NW 0 0 1019 3104 Clear 7% cloud 20:00 5.8 78 1 1 0B N 0 0 1020 3112 Clear 1% cloud 23:00 4.5 81 1 0 0B NE 0 0 1021 3118 Partly cloudy 27% cloud Wednesday, 14/10 02:00 4.7 78 0 0 0B E 0 0 1021 3122 Cloudy 65% cloud 05:00 4.5 75 1 0 0B W 0 0 1022 3124 Clear 14% cloud 08:00 5.2 77 1 1 1B W 0 0 1023 3133 Clear 7% cloud 11:00 11.6 58 7 4 2B W 0 0 1023 3142 Clear 9% cloud 14:00 13 55 9 5 2B W 0 0 1023 3145 Partly cloudy 47% cloud 17:00 11.1 66 7 4 2B NW 0 0 1024 3146 Clear 9% cloud 20:00 6.7 88 1 1 1B N 0 0 1025 3154 Cloudy 65% cloud 23:00 5.5 87 2 1 1B NE 0 0 1025 3162 Cloudy 66% cloud Thursday, 15/10 02:00 4.8 85 4 2 1B E 0 0 1023 3162 Cloudy 68% cloud 05:00 5.4 83 6 3 2B E 0 0 1023 3161 Overcast 94% cloud 08:00 6.4 82 10 5 2B E 0 0 1024 3165 Cloudy 80% cloud 11:00 13.7 51 11 6 2B SE 0 0 1024 3172 Overcast 95% cloud |
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