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 IFS · Run 2026-10-17 00:00:00 UTC · 10 days · Times: UTC.
Coordinates: 42.1840173°N, -73.3200313°E · Requested elevation: 252 m. Model terrain: 374 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.
Day Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Saturday, 17/10 00:00 15.7 96 15 8 3B NW — — 1006 3627 Overcast 98% cloud 03:00 10.6 88 21 12 4B NW 0.35 0 1009 3593 Partly cloudy 34% cloud 06:00 8.1 73 21 11 4B NW 0.00 0 1012 3242 Overcast 91% cloud 09:00 6.9 66 16 9 3B NW 0.00 0 1015 1089 Overcast 100% cloud 12:00 5.9 67 18 10 3B NW 0 0 1019 973 Overcast 99% cloud 15:00 6.9 54 22 12 4B NW 0.00 0 1021 923 Overcast 98% cloud 18:00 8 41 22 12 4B NW 0 0 1022 979 Partly cloudy 28% cloud 21:00 6.6 43 17 9 3B NW 0 0 1025 961 Clear 1% cloud Sunday, 18/10 00:00 3 61 8 5 2B NW 0 0 1028 957 Clear 0% cloud 03:00 2 64 11 6 2B NW 0 0 1031 907 Clear 0% cloud 06:00 1.2 71 12 6 2B NW 0 0 1032 1075 Clear 0% cloud 09:00 0.4 78 5 3 1B N 0 0 1033 486 Clear 0% cloud 12:00 1.9 77 4 2 1B N 0 0 1035 1445 Clear 0% cloud 15:00 9.1 52 4 2 1B NW 0 0 1036 3513 Clear 0% cloud 18:00 12.3 46 5 3 1B NW 0 0 1034 3614 Clear 0% cloud 21:00 11.9 52 3 1 1B NW 0 0 1033 3632 Clear 0% cloud Monday, 19/10 00:00 7.5 68 1 0 0B SE 0 0 1033 3703 Clear 0% cloud 03:00 5.2 77 2 1 1B SE 0 0 1033 3845 Clear 0% cloud 06:00 4 81 3 1 1B E 0 0 1033 3926 Clear 4% cloud 09:00 3.1 80 2 1 1B SE 0 0 1032 3896 Clear 1% cloud 12:00 3.8 79 2 1 1B E 0 0 1033 3764 Clear 7% cloud 15:00 13.6 49 5 3 1B N 0 0 1031 3897 Clear 0% cloud 18:00 17.5 43 9 5 2B N 0 0 1027 3820 Clear 0% cloud 21:00 15.6 58 6 3 2B NW 0 0 1026 3736 Clear 2% cloud Tuesday, 20/10 00:00 8.7 77 9 5 2B N 0 0 1025 3694 Clear 7% cloud 03:00 7.9 76 10 5 2B N 0 0 1025 3583 Partly cloudy 27% cloud 06:00 7.3 79 11 6 2B N 0 0 1024 3556 Clear 6% cloud 09:00 5.6 83 10 5 2B N 0 0 1024 3695 Clear 0% cloud 12:00 6.2 84 11 6 2B N 0 0 1026 3704 Clear 0% cloud 15:00 14.7 54 12 7 3B NE 0 0 1025 3661 Clear 0% cloud 18:00 17.6 41 15 8 3B NE 0 0 1024 3606 Clear 0% cloud 21:00 15.8 48 10 5 2B N 0 0 1024 3695 Clear 0% cloud Wednesday, 21/10 00:00 8.7 79 10 5 2B N 0 0 1026 3687 Clear 0% cloud 03:00 6.8 72 11 6 2B N 0 0 1027 3703 Clear 0% cloud 06:00 5.7 78 10 6 2B NE 0 0 1027 3755 Clear 0% cloud 09:00 5.3 76 13 7 3B NE 0 0 1027 3739 Clear 0% cloud 12:00 5.2 74 14 8 3B NE 0 0 1028 3780 Clear 0% cloud 15:00 10.7 55 14 8 3B NE 0 0 1028 3792 Clear 0% cloud 18:00 14 44 13 7 3B NE 0 0 1025 3797 Clear 0% cloud 21:00 12.8 49 10 6 2B NE 0 0 1024 3860 Clear 0% cloud Thursday, 22/10 00:00 6.8 73 9 5 2B NE 0 0 1024 3893 Clear 0% cloud 03:00 4.8 83 10 5 2B NE 0 0 1024 3817 Clear 0% cloud 06:00 3.6 85 10 5 2B NE 0 0 1022 3710 Clear 0% cloud 09:00 2.6 85 10 5 2B N 0 0 1021 3735 Clear 0% cloud 12:00 3.4 79 10 5 2B N 0 0 1021 3707 Clear 0% cloud 15:00 11.9 52 12 6 2B N 0 0 1020 3503 Clear 0% cloud 18:00 15.7 42 12 7 2B N 0 0 1017 3369 Clear 0% cloud 21:00 13.3 55 15 8 3B NW 0 0 1017 3355 Clear 0% cloud Friday, 23/10 00:00 9 63 15 8 3B N 0 0 1019 3264 Clear 0% cloud 06:00 6.5 88 12 7 3B N 0 0 1021 3084 Clear 1% cloud 12:00 4.6 89 12 6 2B N 0.00 0 1025 2453 Clear 8% cloud 18:00 11.6 38 14 8 3B NE 0 0 1025 1528 Clear 0% cloud Saturday, 24/10 00:00 4.6 75 8 5 2B N 0 0 1029 1454 Clear 0% cloud 06:00 1.6 82 7 4 2B N 0 0 1030 2450 Clear 0% cloud 12:00 0.6 80 8 4 2B N 0 0 1031 382 Clear 3% cloud 18:00 11.9 46 12 6 2B NW 0 0 1028 2803 Clear 0% cloud Sunday, 25/10 00:00 4.1 64 10 5 2B N 0 0 1028 2896 Clear 0% cloud 06:00 2.2 63 8 5 2B N 0 0 1028 2965 Clear 0% cloud 12:00 2.2 74 10 5 2B N 0 0 1029 3015 Clear 0% cloud 18:00 14.4 34 9 5 2B NW 0 0 1026 3149 Clear 0% cloud Monday, 26/10 00:00 6.4 62 5 2 1B N 0 0 1026 3156 Clear 0% cloud 06:00 4.2 74 5 2 1B N 0 0 1025 3149 Clear 0% cloud 12:00 3.6 80 8 4 2B NW 0 0 1025 3146 Clear 1% cloud 18:00 15.2 47 11 6 2B NW 0 0 1023 3137 Clear 0% cloud Tuesday, 27/10 00:00 9.8 80 11 6 2B NW 0 0 1023 3133 Overcast 96% cloud |
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Ski Butternut is a downhill ski area in Massachusetts, United States. Mapped terrain includes beginner, easy, intermediate, advanced routes. Its mapped lift network extends from approximately 252 to 539 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 IFS · Run 2026-10-17 00:00:00 UTC · 10 days · Times: UTC.
Coordinates: 42.1827411°N, -73.319428°E · Requested elevation: 257 m. Model terrain: 374 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.
Day Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Saturday, 17/10 00:00 15.6 96 15 8 3B NW — — 1006 3628 Overcast 98% cloud 03:00 10.6 88 21 12 4B NW 0.35 0 1009 3594 Partly cloudy 35% cloud 06:00 8.1 73 21 11 4B NW 0.00 0 1012 3243 Overcast 91% cloud 09:00 6.9 66 16 9 3B NW 0.00 0 1015 1089 Overcast 100% cloud 12:00 5.9 67 18 10 3B NW 0 0 1019 973 Overcast 99% cloud 15:00 6.8 54 22 12 4B NW 0.00 0 1021 923 Overcast 98% cloud 18:00 8 41 22 12 4B NW 0 0 1022 980 Partly cloudy 28% cloud 21:00 6.5 43 17 9 3B NW 0 0 1025 961 Clear 1% cloud Sunday, 18/10 00:00 3 61 8 5 2B NW 0 0 1028 957 Clear 0% cloud 03:00 2 64 11 6 2B NW 0 0 1031 908 Clear 0% cloud 06:00 1.2 71 12 6 2B NW 0 0 1032 1077 Clear 0% cloud 09:00 0.3 78 5 3 1B N 0 0 1033 486 Clear 0% cloud 12:00 1.9 77 4 2 1B N 0 0 1035 1445 Clear 0% cloud 15:00 9.1 52 4 2 1B NW 0 0 1036 3513 Clear 0% cloud 18:00 12.3 46 5 3 1B NW 0 0 1034 3614 Clear 0% cloud 21:00 11.9 52 3 1 1B NW 0 0 1033 3632 Clear 0% cloud Monday, 19/10 00:00 7.5 68 1 0 0B SE 0 0 1033 3704 Clear 0% cloud 03:00 5.1 78 2 1 1B SE 0 0 1033 3846 Clear 0% cloud 06:00 3.9 81 3 1 1B E 0 0 1033 3926 Clear 5% cloud 09:00 3.1 80 2 1 1B SE 0 0 1032 3896 Clear 1% cloud 12:00 3.8 79 2 1 1B E 0 0 1033 3764 Clear 7% cloud 15:00 13.6 49 5 3 1B N 0 0 1031 3897 Clear 0% cloud 18:00 17.4 43 9 5 2B N 0 0 1027 3821 Clear 0% cloud 21:00 15.6 58 6 3 2B NW 0 0 1026 3736 Clear 2% cloud Tuesday, 20/10 00:00 8.7 77 9 5 2B N 0 0 1025 3694 Clear 7% cloud 03:00 7.9 76 10 5 2B N 0 0 1025 3583 Partly cloudy 27% cloud 06:00 7.3 80 11 6 2B N 0 0 1024 3557 Clear 6% cloud 09:00 5.6 83 10 5 2B N 0 0 1024 3695 Clear 0% cloud 12:00 6.2 84 11 6 2B N 0 0 1026 3704 Clear 0% cloud 15:00 14.7 54 13 7 3B NE 0 0 1025 3661 Clear 0% cloud 18:00 17.5 41 15 8 3B NE 0 0 1024 3606 Clear 0% cloud 21:00 15.8 48 10 5 2B N 0 0 1024 3695 Clear 0% cloud Wednesday, 21/10 00:00 8.6 79 10 5 2B N 0 0 1026 3687 Clear 0% cloud 03:00 6.8 72 11 6 2B N 0 0 1027 3703 Clear 0% cloud 06:00 5.7 78 10 6 2B NE 0 0 1027 3755 Clear 0% cloud 09:00 5.3 76 13 7 3B NE 0 0 1027 3739 Clear 0% cloud 12:00 5.2 74 14 8 3B NE 0 0 1028 3780 Clear 0% cloud 15:00 10.6 55 14 8 3B NE 0 0 1028 3792 Clear 0% cloud 18:00 14 44 13 7 3B NE 0 0 1025 3797 Clear 0% cloud 21:00 12.8 50 10 6 2B NE 0 0 1024 3860 Clear 0% cloud Thursday, 22/10 00:00 6.8 73 9 5 2B NE 0 0 1024 3893 Clear 0% cloud 03:00 4.8 83 10 5 2B NE 0 0 1024 3817 Clear 0% cloud 06:00 3.6 85 10 5 2B NE 0 0 1022 3710 Clear 0% cloud 09:00 2.6 85 10 5 2B N 0 0 1021 3735 Clear 0% cloud 12:00 3.3 79 10 5 2B N 0 0 1021 3707 Clear 0% cloud 15:00 11.8 52 12 6 2B N 0 0 1020 3504 Clear 0% cloud 18:00 15.7 42 12 7 2B N 0 0 1017 3369 Clear 0% cloud 21:00 13.3 55 15 8 3B NW 0 0 1017 3356 Clear 0% cloud Friday, 23/10 00:00 9 63 15 8 3B N 0 0 1019 3264 Clear 0% cloud 06:00 6.5 88 12 7 3B N 0 0 1021 3085 Clear 1% cloud 12:00 4.6 89 12 6 2B N 0.00 0 1025 2454 Clear 8% cloud 18:00 11.6 38 14 8 3B NE 0 0 1025 1529 Clear 0% cloud Saturday, 24/10 00:00 4.6 75 8 5 2B N 0 0 1029 1454 Clear 0% cloud 06:00 1.6 82 7 4 2B N 0 0 1030 2450 Clear 0% cloud 12:00 0.6 80 8 4 2B N 0 0 1031 382 Clear 3% cloud 18:00 11.9 46 12 6 2B NW 0 0 1028 2803 Clear 0% cloud Sunday, 25/10 00:00 4 64 10 5 2B N 0 0 1028 2896 Clear 0% cloud 06:00 2.2 63 8 5 2B N 0 0 1028 2965 Clear 0% cloud 12:00 2.2 75 10 5 2B N 0 0 1029 3015 Clear 0% cloud 18:00 14.3 34 9 5 2B NW 0 0 1026 3149 Clear 0% cloud Monday, 26/10 00:00 6.4 62 5 2 1B N 0 0 1026 3156 Clear 0% cloud 06:00 4.1 74 5 2 1B N 0 0 1025 3149 Clear 0% cloud 12:00 3.6 80 8 4 2B NW 0 0 1025 3146 Clear 1% cloud 18:00 15.2 47 11 6 2B NW 0 0 1023 3137 Clear 0% cloud Tuesday, 27/10 00:00 9.8 81 11 6 2B NW 0 0 1023 3133 Overcast 96% cloud |
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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 IFS · Run 2026-10-17 00:00:00 UTC · 10 days · Times: America/New_York.
Coordinates: 42.1726484°N, -73.3146733°E · Requested elevation: 539 m. Model terrain: 374 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.
Day Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Saturday, 17/10 02:00 6 80 34 18 5B NW 0.00 0 1012 3250 Overcast 91% cloud 05:00 4.6 74 25 13 4B NW 0.00 0 1015 1093 Overcast 100% cloud 08:00 3.6 74 27 15 4B NW 0 0 1019 979 Overcast 99% cloud 11:00 4.3 60 29 15 4B NW 0.00 0 1021 924 Overcast 98% cloud 14:00 5.2 47 28 15 4B NW 0 0 1022 981 Partly cloudy 28% cloud 17:00 4.2 48 22 12 4B NW 0 0 1025 962 Clear 1% cloud 20:00 1.8 59 18 10 3B NW 0 0 1028 958 Clear 0% cloud 23:00 0.9 61 19 10 3B NW 0 0 1031 918 Clear 0% cloud Sunday, 18/10 02:00 0.5 63 21 12 4B N 0 0 1032 1096 Clear 0% cloud 05:00 0.1 70 13 7 3B N 0 0 1033 486 Clear 0% cloud 08:00 1.4 69 9 5 2B N 0 0 1035 1445 Clear 0% cloud 11:00 6.7 54 6 3 2B N 0 0 1035 3515 Clear 0% cloud 14:00 9.6 51 5 3 1B NW 0 0 1034 3614 Clear 0% cloud 17:00 9.9 53 5 3 1B NW 0 0 1033 3635 Clear 0% cloud 20:00 7 63 4 2 1B NW 0 0 1033 3705 Clear 0% cloud 23:00 5.4 69 2 1 1B N 0 0 1033 3848 Clear 0% cloud Monday, 19/10 02:00 4.6 69 2 1 1B NE 0 0 1033 3925 Clear 5% cloud 05:00 4 68 2 1 1B N 0 0 1032 3896 Clear 1% cloud 08:00 4.8 67 5 3 1B NE 0 0 1033 3765 Clear 7% cloud 11:00 12.1 45 11 6 2B N 0 0 1031 3899 Clear 0% cloud 14:00 15.1 44 11 6 2B N 0 0 1027 3824 Clear 0% cloud 17:00 14.2 55 8 4 2B N 0 0 1026 3737 Clear 2% cloud 20:00 9.8 64 16 9 3B N 0 0 1025 3697 Clear 8% cloud 23:00 9.2 58 21 11 4B N 0 0 1025 3584 Partly cloudy 28% cloud Tuesday, 20/10 02:00 8.6 63 21 12 4B N 0 0 1024 3558 Clear 6% cloud 05:00 7.2 66 21 11 4B N 0 0 1024 3695 Clear 0% cloud 08:00 6.7 74 22 12 4B NE 0 0 1026 3705 Clear 0% cloud 11:00 12.2 58 21 11 4B NE 0 0 1025 3663 Clear 0% cloud 14:00 15 45 19 10 3B NE 0 0 1024 3607 Clear 0% cloud 17:00 14 48 17 9 3B N 0 0 1024 3695 Clear 0% cloud 20:00 9 65 20 11 4B NE 0 0 1026 3686 Clear 0% cloud 23:00 7.2 63 24 13 4B NE 0 0 1027 3704 Clear 0% cloud Wednesday, 21/10 02:00 5.6 72 24 13 4B NE 0 0 1027 3755 Clear 0% cloud 05:00 4.7 72 28 15 4B NE 0 0 1027 3739 Clear 0% cloud 08:00 4.8 67 28 15 4B NE 0 0 1028 3779 Clear 0% cloud 11:00 8 60 24 13 4B NE 0 0 1028 3793 Clear 0% cloud 14:00 11.3 49 17 9 3B NE 0 0 1025 3797 Clear 0% cloud 17:00 10.7 52 16 9 3B NE 0 0 1024 3860 Clear 0% cloud 20:00 6.2 70 19 10 3B NE 0 0 1024 3893 Clear 0% cloud 23:00 5.1 68 21 12 4B NE 0 0 1024 3818 Clear 0% cloud Thursday, 22/10 02:00 4.6 62 20 11 4B NE 0 0 1022 3711 Clear 0% cloud 05:00 3.9 63 20 11 3B NE 0 0 1021 3737 Clear 0% cloud 08:00 4.5 62 21 11 4B N 0 0 1021 3709 Clear 0% cloud 11:00 9.9 48 20 11 3B N 0 0 1020 3507 Clear 0% cloud 14:00 13.1 46 15 8 3B N 0 0 1017 3371 Clear 0% cloud 17:00 11.6 56 21 12 4B N 0 0 1017 3356 Clear 0% cloud 20:00 9.2 55 29 16 5B N 0 0 1019 3266 Clear 0% cloud Friday, 23/10 02:00 5.8 87 26 14 4B N 0 0 1021 3087 Clear 1% cloud 08:00 3.4 91 22 12 4B NE 0.00 0 1025 2456 Clear 7% cloud 14:00 9 42 18 10 3B NE 0 0 1025 3107 Clear 0% cloud 20:00 4.3 67 16 9 3B NE 0 0 1028 1451 Clear 0% cloud Saturday, 24/10 02:00 1.1 76 17 9 3B NE 0 0 1030 2453 Clear 0% cloud 08:00 0.7 62 17 9 3B NE 0 0 1031 380 Clear 2% cloud 14:00 9.5 48 14 7 3B N 0 0 1028 2803 Clear 0% cloud 20:00 5.5 41 19 10 3B N 0 0 1028 2896 Clear 0% cloud Sunday, 25/10 02:00 4.4 44 16 9 3B N 0 0 1028 2965 Clear 0% cloud 08:00 4.3 46 18 10 3B N 0 0 1029 3013 Clear 0% cloud 14:00 12.4 28 14 8 3B NW 0 0 1026 3149 Clear 0% cloud 20:00 7.3 50 14 7 3B NW 0 0 1026 3156 Clear 0% cloud Monday, 26/10 02:00 5.6 57 14 7 3B NW 0 0 1025 3149 Clear 0% cloud 08:00 5.4 53 17 9 3B NW 0 0 1025 3146 Clear 1% cloud 14:00 13 45 18 10 3B NW 0 0 1023 3137 Clear 0% cloud 20:00 9.9 75 22 12 4B NW 0 0 1023 3133 Overcast 95% cloud |
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