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.
Preparing forecast graphs…
Times and values match the detailed forecast. Tap or point at a value for details. Scroll each chart sideways for later days. Rain / precipitation is the total water equivalent per forecast interval, including snow; snowfall is fresh snow per interval, not snow depth.
GFS and ECMWF model comparison. Each model retains its own forecast times and horizon. Precipitation and snowfall amounts cover their own forecast intervals; these can differ between models.
ECMWF · Model run: Next update expected:
Day Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Tuesday, 27/10 00:00 3.5 94 3 2 1B W 0.85 0 1016 1902 Partly cloudy 48% cloud 03:00 0.8 99 1 1 1B SW 0 0 1017 1501 Overcast 100% cloud 06:00 0 99 3 2 1B SW 0.03 0 1016 < 1353 Overcast 94% cloud 09:00 0.6 97 1 1 1B SW 0 0 1016 1458 Overcast 89% cloud 12:00 1.7 93 2 1 1B W 0.17 0 1016 1640 Overcast 100% cloud 15:00 1.5 97 3 2 1B SW 0.04 0 1017 1617 Overcast 93% cloud 18:00 2.8 93 5 3 1B W 0.09 0 1016 1825 Overcast 86% cloud 21:00 4.1 85 7 4 2B W 0.45 0 1015 1916 Cloudy 79% cloud Wednesday, 28/10 00:00 2.7 90 7 4 2B W 1.1 0 1014 1746 Cloudy 62% cloud 03:00 0.9 96 9 5 2B W 0.43 0.1 1015 1482 Overcast 81% cloud 06:00 -0.2 96 5 2 1B SW 0.95 0.3 1015 < 1353 Overcast 91% cloud 09:00 -0.5 98 2 1 1B S 6.5 2.6 1014 < 1353 Overcast 100% cloud 12:00 -1 90 3 1 1B W 4.8 1.9 1014 < 1353 Overcast 93% cloud 15:00 -1.4 95 4 2 1B W 1.8 0.5 1015 < 1353 Overcast 97% cloud 18:00 2 72 6 3 2B W 1.5 0 1015 1596 Cloudy 78% cloud 21:00 2.8 62 7 4 2B W 0.71 0 1015 1672 Cloudy 56% cloud Thursday, 29/10 00:00 0.9 74 3 1 1B SW 0.32 0.1 1017 1464 Partly cloudy 49% cloud 03:00 -3.8 93 5 2 1B S 0.06 0.1 1018 < 1353 Cloudy 60% cloud 06:00 -5 94 5 3 1B S 0 0 1018 < 1353 Overcast 91% cloud 09:00 -5.6 92 5 3 1B S 0.16 0.2 1018 < 1353 Overcast 86% cloud 12:00 -5.3 92 5 3 1B S 0.49 0.5 1017 < 1353 Overcast 93% cloud 15:00 -5.8 91 5 3 1B S 0 0 1017 < 1353 Overcast 85% cloud 18:00 2.7 60 5 3 1B SE 0.16 0 1016 1668 Partly cloudy 44% cloud 21:00 4.3 48 5 3 1B S 0.10 0 1014 1818 Partly cloudy 37% cloud Friday, 30/10 00:00 1.3 77 6 3 2B SE 0.51 0 1014 1527 Cloudy 51% cloud 03:00 -0.6 92 8 4 2B SE 0.18 0 1015 < 1353 Overcast 93% cloud 06:00 -0.8 91 5 3 1B S 0.97 0.3 1014 < 1353 Overcast 94% cloud 09:00 -0.8 92 5 3 1B SE 2.3 0.7 1014 < 1353 Overcast 84% cloud 12:00 -2.2 91 1 1 1B S 0.42 0.1 1015 < 1353 Partly cloudy 46% cloud 15:00 -2.9 88 4 2 1B S 0 0 1016 < 1353 Cloudy 65% cloud 18:00 1.7 63 4 2 1B SW 0 0 1016 1562 Partly cloudy 28% cloud 21:00 3.5 52 5 3 1B SW 0.16 0 1014 1741 Partly cloudy 32% cloud Saturday, 31/10 00:00 1.4 67 3 1 1B SW 0 0 1015 1527 Partly cloudy 22% cloud 03:00 -5.6 88 4 2 1B S 0 0 1016 < 1353 Partly cloudy 24% cloud 06:00 -8.1 93 5 3 1B S 0 0 1017 < 1353 Cloudy 73% cloud 09:00 -8.3 90 4 2 1B S 0 0 1017 < 1353 Overcast 82% cloud 12:00 -6.4 85 3 2 1B S 0 0 1016 < 1353 Cloudy 73% cloud 15:00 -6 84 4 2 1B S 0 0 1016 < 1353 Cloudy 77% cloud 18:00 2.7 53 3 2 1B S 0 0 1015 1671 Overcast 95% cloud 21:00 3.7 48 3 2 1B SW 0 0 1014 1747 Overcast 100% cloud Sunday, 01/11 00:00 0.1 85 2 1 1B NW 0.57 0.2 1016 < 1353 Overcast 95% cloud 03:00 -2.6 96 1 1 1B S 1.1 0.3 1018 < 1353 Overcast 93% cloud 06:00 -2.1 92 2 1 1B SW 0.28 0.1 1019 < 1353 Overcast 98% cloud 09:00 -2.9 93 3 2 1B SW 0.17 0.2 1021 < 1353 Cloudy 66% cloud 12:00 -8.5 92 2 1 1B SW 0.06 0.1 1022 < 1353 Overcast 87% cloud 15:00 -8.4 90 1 1 1B SW 0 0 1025 < 1353 Cloudy 60% cloud 18:00 1.9 55 2 1 1B S 0 0 1024 1748 Overcast 99% cloud |
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Forecast table times: UTC.
Coordinates: 46.9356685°N, -121.4749026°E · Requested elevation: 1338 m. Model terrain: 1350 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) uses additional 600/500 hPa temperatures when available and 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.

Crystal Mountain is a downhill ski area in Washington, United States. Mapped terrain includes easy, intermediate, advanced routes. Its mapped lift network extends from approximately 1338 to 2125 metres above sea level.
Data: OpenSkiData / OpenSkiMap, OpenStreetMap contributors (ODbL), Skimap.org, Who's On First, Mapterhorn.
Preparing forecast graphs…
Times and values match the detailed forecast. Tap or point at a value for details. Scroll each chart sideways for later days. Rain / precipitation is the total water equivalent per forecast interval, including snow; snowfall is fresh snow per interval, not snow depth.
GFS and ECMWF model comparison. Each model retains its own forecast times and horizon. Precipitation and snowfall amounts cover their own forecast intervals; these can differ between models.
ECMWF · Model run: Next update expected:
Day Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Tuesday, 27/10 00:00 3.4 94 3 2 1B W 0.84 0 1016 1903 Partly cloudy 48% cloud 03:00 0.7 99 1 1 1B SW 0 0 1017 1502 Overcast 100% cloud 06:00 -0.1 99 3 2 1B SW 0.03 0 1016 < 1352 Overcast 94% cloud 09:00 0.5 97 1 1 1B SW 0 0 1016 1460 Overcast 89% cloud 12:00 1.6 93 2 1 1B W 0.17 0 1016 1639 Overcast 100% cloud 15:00 1.4 97 3 2 1B SW 0.04 0 1017 1617 Overcast 93% cloud 18:00 2.7 93 5 3 1B W 0.09 0 1016 1824 Overcast 87% cloud 21:00 4 85 7 4 2B W 0.46 0 1015 1916 Cloudy 79% cloud Wednesday, 28/10 00:00 2.6 90 7 4 2B W 1.1 0 1014 1744 Cloudy 63% cloud 03:00 0.8 96 9 5 2B W 0.43 0.1 1015 1481 Overcast 82% cloud 06:00 -0.3 96 5 3 1B SW 0.95 0.3 1015 < 1352 Overcast 91% cloud 09:00 -0.6 99 2 1 1B S 6.4 2.6 1014 < 1352 Overcast 100% cloud 12:00 -1.1 90 3 2 1B W 4.8 1.9 1014 < 1352 Overcast 93% cloud 15:00 -1.5 96 4 2 1B W 1.8 0.5 1015 < 1352 Overcast 97% cloud 18:00 1.9 72 6 3 2B W 1.5 0 1015 1594 Cloudy 78% cloud 21:00 2.7 62 8 4 2B W 0.72 0 1015 1670 Cloudy 56% cloud Thursday, 29/10 00:00 0.8 75 3 2 1B SW 0.32 0.1 1017 1462 Partly cloudy 49% cloud 03:00 -3.9 94 5 2 1B S 0.06 0.1 1018 < 1352 Cloudy 61% cloud 06:00 -5.1 95 5 3 1B S 0 0 1018 < 1352 Overcast 91% cloud 09:00 -5.7 92 5 3 1B S 0.16 0.2 1018 < 1352 Overcast 86% cloud 12:00 -5.4 93 5 2 1B S 0.48 0.5 1017 < 1352 Overcast 93% cloud 15:00 -5.9 91 5 3 1B S 0 0 1017 < 1352 Overcast 85% cloud 18:00 2.6 60 5 3 1B SE 0.16 0 1016 1666 Partly cloudy 44% cloud 21:00 4.2 49 5 3 1B S 0.10 0 1014 1817 Partly cloudy 37% cloud Friday, 30/10 00:00 1.2 77 6 3 2B SE 0.52 0 1014 1526 Cloudy 51% cloud 03:00 -0.7 92 8 4 2B SE 0.18 0 1015 < 1352 Overcast 93% cloud 06:00 -0.9 91 5 3 1B S 0.97 0.3 1014 < 1352 Overcast 94% cloud 09:00 -0.9 93 5 3 1B SE 2.4 0.7 1014 < 1352 Overcast 84% cloud 12:00 -2.3 91 1 1 1B S 0.42 0.1 1015 < 1352 Partly cloudy 46% cloud 15:00 -3 88 4 2 1B S 0 0 1016 < 1352 Cloudy 66% cloud 18:00 1.6 64 4 2 1B SW 0 0 1016 1561 Partly cloudy 28% cloud 21:00 3.3 52 5 3 1B SW 0.16 0 1014 1740 Partly cloudy 32% cloud Saturday, 31/10 00:00 1.2 67 3 2 1B SW 0 0 1015 1527 Partly cloudy 23% cloud 03:00 -5.7 89 4 2 1B S 0 0 1016 < 1352 Partly cloudy 24% cloud 06:00 -8.1 93 5 3 1B S 0 0 1017 < 1352 Cloudy 73% cloud 09:00 -8.3 91 4 2 1B S 0 0 1017 < 1352 Overcast 82% cloud 12:00 -6.5 85 3 1 1B S 0 0 1016 < 1352 Cloudy 73% cloud 15:00 -6.1 84 4 2 1B S 0 0 1016 < 1352 Cloudy 77% cloud 18:00 2.6 53 3 2 1B S 0 0 1015 1670 Overcast 95% cloud 21:00 3.5 48 3 2 1B SW 0 0 1014 1746 Overcast 100% cloud Sunday, 01/11 00:00 -0 85 2 1 1B NW 0.57 0.2 1016 1352 Overcast 94% cloud 03:00 -2.7 97 1 1 1B S 1.1 0.3 1018 < 1352 Overcast 93% cloud 06:00 -2.2 92 2 1 1B SW 0.28 0.1 1019 < 1352 Overcast 98% cloud 09:00 -3 93 3 2 1B SW 0.17 0.2 1021 < 1352 Cloudy 66% cloud 12:00 -8.5 92 2 1 1B SW 0.06 0.1 1022 < 1352 Overcast 87% cloud 15:00 -8.4 90 1 1 1B SW 0 0 1025 < 1352 Cloudy 60% cloud 18:00 1.8 55 2 1 1B S 0 0 1024 1747 Overcast 99% cloud |
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Forecast table times: UTC.
Coordinates: 46.9336328°N, -121.473798°E · Requested elevation: 1356 m. Model terrain: 1349 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) uses additional 600/500 hPa temperatures when available and 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.
Preparing forecast graphs…
Times and values match the detailed forecast. Tap or point at a value for details. Scroll each chart sideways for later days. Rain / precipitation is the total water equivalent per forecast interval, including snow; snowfall is fresh snow per interval, not snow depth.
GFS and ECMWF model comparison. Each model retains its own forecast times and horizon. Precipitation and snowfall amounts cover their own forecast intervals; these can differ between models.
ECMWF · Model run: Next update expected:
Day Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Tuesday, 27/10 00:00 -1.7 90 9 5 2B W 0.90 0.3 1016 1844 Partly cloudy 50% cloud 03:00 -2.2 94 9 5 2B W 0.00 0 1017 1747 Overcast 100% cloud 06:00 -2.1 87 10 6 2B W 0.03 0 1016 1770 Overcast 93% cloud 09:00 -2.2 89 13 7 3B W 0.00 0 1016 1755 Overcast 89% cloud 12:00 -2.4 91 16 9 3B W 0.19 0 1016 1717 Overcast 100% cloud 15:00 -2.5 89 15 8 3B W 0.04 0 1017 1669 Overcast 92% cloud 18:00 -2.2 88 17 9 3B W 0.11 0 1016 1713 Overcast 86% cloud 21:00 -2.2 91 24 13 4B W 0.47 0.1 1015 1783 Overcast 81% cloud Wednesday, 28/10 00:00 -2.9 87 31 17 5B W 1.0 1 1015 1663 Cloudy 62% cloud 03:00 -4.2 94 35 19 5B W 0.47 0.5 1015 1444 Overcast 80% cloud 06:00 -4.3 93 34 19 5B W 1.0 1 1015 < 1344 Overcast 91% cloud 09:00 -4.5 97 33 18 5B W 6.8 6.8 1015 < 1344 Overcast 100% cloud 12:00 -5 88 33 18 5B W 4.9 4.9 1014 < 1344 Overcast 93% cloud 15:00 -5.7 91 33 18 5B W 2.0 2 1015 < 1344 Overcast 97% cloud 18:00 -5.2 78 30 16 5B W 1.6 1.6 1015 1429 Cloudy 76% cloud 21:00 -4.9 71 28 15 4B W 0.79 0.8 1015 1457 Cloudy 53% cloud Thursday, 29/10 00:00 -5.1 75 22 12 4B W 0.32 0.3 1017 1414 Partly cloudy 50% cloud 03:00 -5.7 81 18 10 3B SW 0.07 0.1 1018 < 1344 Cloudy 59% cloud 06:00 -5.6 82 13 7 3B SW 0 0 1018 < 1344 Overcast 89% cloud 09:00 -5.7 83 8 4 2B SW 0.17 0.2 1018 < 1344 Overcast 84% cloud 12:00 -5.6 81 9 5 2B SW 0.51 0.5 1017 < 1344 Overcast 93% cloud 15:00 -5.6 79 11 6 2B S 0 0 1017 < 1344 Overcast 84% cloud 18:00 -4.7 69 13 7 3B S 0.17 0.2 1016 1499 Partly cloudy 44% cloud 21:00 -3.6 62 14 7 3B S 0.07 0.1 1014 1679 Partly cloudy 35% cloud Friday, 30/10 00:00 -4.2 78 16 8 3B S 0.48 0.5 1014 1529 Partly cloudy 47% cloud 03:00 -4.7 87 21 11 4B S 0.21 0.2 1014 < 1344 Overcast 92% cloud 06:00 -4.7 91 24 13 4B S 1.00 1 1014 < 1344 Overcast 93% cloud 09:00 -5 89 18 10 3B S 2.2 2.2 1014 < 1344 Overcast 82% cloud 12:00 -5.8 84 16 8 3B SW 0.39 0.4 1015 < 1344 Partly cloudy 46% cloud 15:00 -6.2 79 13 7 3B SW 0 0 1016 < 1344 Cloudy 66% cloud 18:00 -5.4 71 14 8 3B SW 0 0 1016 1413 Partly cloudy 30% cloud 21:00 -4.4 61 15 8 3B SW 0.17 0.2 1015 1548 Partly cloudy 33% cloud Saturday, 31/10 00:00 -4.4 67 14 8 3B SW 0.00 0 1015 1526 Partly cloudy 22% cloud 03:00 -5 75 13 7 3B SW 0.01 0 1016 < 1344 Partly cloudy 26% cloud 06:00 -4.9 75 12 6 2B SW 0 0 1017 < 1344 Cloudy 71% cloud 09:00 -4.9 69 11 6 2B SW 0 0 1017 < 1344 Overcast 81% cloud 12:00 -4.9 69 10 5 2B SW 0 0 1016 < 1344 Cloudy 73% cloud 15:00 -5.2 69 10 5 2B S 0 0 1016 < 1344 Cloudy 76% cloud 18:00 -4.6 63 12 6 2B S 0 0 1015 1521 Overcast 96% cloud 21:00 -4.1 62 12 6 2B SW 0.00 0 1014 1643 Overcast 100% cloud Sunday, 01/11 00:00 -5.2 89 10 6 2B SW 0.62 0.6 1016 < 1344 Overcast 96% cloud 03:00 -5.8 95 10 5 2B SW 1.2 1.2 1018 < 1344 Overcast 96% cloud 06:00 -5.9 85 12 6 2B W 0.32 0.3 1019 < 1344 Overcast 99% cloud 09:00 -5.5 72 19 10 3B W 0.17 0.2 1021 < 1344 Cloudy 65% cloud 12:00 -4.7 54 15 8 3B NW 0.07 0.1 1022 < 1344 Overcast 88% cloud 15:00 -4.6 52 13 7 3B W 0 0 1024 < 1344 Cloudy 59% cloud 18:00 -2.7 41 11 6 2B W 0 0 1024 1484 Overcast 99% cloud |
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Forecast table times: UTC.
Coordinates: 46.9282796°N, -121.5047206°E · Requested elevation: 2125 m. Model terrain: 1341 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) uses additional 600/500 hPa temperatures when available and 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.