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: 44.0482142°N, -71.6540729°E · Requested elevation: 262 m. Model terrain: 604 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 13.8 91 15 8 3B W — — 1002 3208 Overcast 100% cloud 03:00 7.1 89 21 11 4B NW 1.1 0 1007 3223 Overcast 100% cloud 06:00 4.6 83 21 11 4B NW 0.22 0 1010 960 Overcast 98% cloud 09:00 3.5 77 17 9 3B NW 0.22 0 1013 799 Overcast 99% cloud 12:00 3.1 71 18 10 3B NW 0.15 0 1018 713 Overcast 95% cloud 15:00 3.7 54 21 11 4B NW 0.11 0 1020 719 Cloudy 71% cloud 18:00 5.4 29 21 11 4B NW 0.00 0 1021 816 Clear 13% cloud 21:00 4.1 34 19 10 3B NW 0 0 1023 818 Clear 1% cloud Sunday, 18/10 00:00 0.9 50 11 6 2B NW 0 0 1027 < 606 Clear 0% cloud 03:00 -0.5 63 7 4 2B NW 0 0 1029 < 606 Clear 0% cloud 06:00 -1.4 69 2 1 1B NW 0 0 1031 < 606 Clear 0% cloud 09:00 -0.9 66 1 0 0B NW 0 0 1032 < 606 Clear 0% cloud 12:00 1.3 59 1 0 0B S 0 0 1034 < 606 Clear 0% cloud 15:00 8.1 37 6 3 2B SW 0 0 1034 1235 Clear 5% cloud 18:00 11.4 39 8 4 2B SW 0 0 1032 1546 Clear 0% cloud 21:00 10.8 48 5 3 1B SW 0 0 1032 3510 Clear 0% cloud Monday, 19/10 00:00 6.2 63 3 2 1B S 0 0 1032 3712 Clear 0% cloud 03:00 4.1 69 3 1 1B SE 0 0 1033 3637 Clear 0% cloud 06:00 3.3 70 2 1 1B SE 0 0 1032 3760 Clear 0% cloud 09:00 3.4 69 2 1 1B SE 0 0 1032 3785 Clear 0% cloud 12:00 5.4 65 2 1 1B SE 0 0 1032 3717 Clear 0% cloud 15:00 14.4 39 2 1 1B W 0 0 1031 3645 Clear 0% cloud 18:00 17.8 36 3 2 1B SW 0 0 1028 3612 Clear 0% cloud 21:00 15.4 55 2 1 1B SW 0 0 1026 3592 Partly cloudy 22% cloud Tuesday, 20/10 00:00 9.1 63 2 1 1B N 0 0 1026 3588 Cloudy 52% cloud 03:00 8.1 60 9 5 2B N 0 0 1025 3493 Cloudy 71% cloud 06:00 6.5 73 10 5 2B N 0 0 1025 3494 Partly cloudy 29% cloud 09:00 5.3 82 9 5 2B N 0 0 1025 3531 Clear 8% cloud 12:00 6.5 78 8 4 2B N 0 0 1026 3446 Clear 0% cloud 15:00 15.3 37 4 2 1B N 0.00 0 1027 3507 Clear 0% cloud 18:00 17.7 26 8 5 2B N 0 0 1025 3580 Clear 0% cloud 21:00 14.5 38 10 5 2B N 0 0 1026 3602 Clear 0% cloud Wednesday, 21/10 00:00 6.9 72 9 5 2B N 0 0 1028 3541 Clear 0% cloud 03:00 4.2 81 8 4 2B N 0 0 1029 3509 Clear 0% cloud 06:00 2.7 79 5 3 1B NE 0 0 1029 3527 Clear 0% cloud 09:00 1.3 79 3 2 1B NE 0 0 1029 641 Clear 0% cloud 12:00 2.4 77 3 2 1B NE 0 0 1030 3656 Clear 0% cloud 15:00 10.6 46 2 1 1B E 0 0 1029 3662 Clear 0% cloud 18:00 13.9 37 1 1 1B SE 0 0 1026 3688 Clear 0% cloud 21:00 11.9 48 1 1 1B S 0 0 1025 3793 Clear 0% cloud Thursday, 22/10 00:00 5.7 67 2 1 1B E 0 0 1026 3792 Clear 0% cloud 03:00 2.9 74 2 1 1B E 0 0 1025 3684 Clear 0% cloud 06:00 2 74 3 2 1B N 0 0 1023 3564 Clear 0% cloud 09:00 2 75 5 3 1B N 0 0 1021 3564 Clear 0% cloud 12:00 3.5 69 8 4 2B N 0 0 1020 3421 Clear 1% cloud 15:00 12.9 35 8 4 2B N 0 0 1020 3273 Clear 0% cloud 18:00 16 26 11 6 2B N 0 0 1017 3184 Clear 0% cloud 21:00 12.8 50 15 8 3B N 0 0 1018 3190 Clear 0% cloud Friday, 23/10 00:00 7.9 80 13 7 3B N 0 0 1020 2983 Cloudy 54% cloud 06:00 5.4 87 9 5 2B N 0.03 0 1023 2037 Partly cloudy 39% cloud 12:00 1.2 80 10 5 2B N 0.00 0 1028 < 606 Clear 0% cloud 18:00 11.2 35 11 6 2B N 0 0 1026 1468 Clear 0% cloud Saturday, 24/10 00:00 3 64 7 4 2B N 0 0 1030 1669 Clear 0% cloud 06:00 -0.5 69 4 2 1B N 0 0 1031 752 Clear 0% cloud 12:00 0.6 63 6 3 2B N 0 0 1031 680 Clear 0% cloud 18:00 12.9 25 10 6 2B N 0 0 1027 2699 Clear 0% cloud Sunday, 25/10 00:00 2.9 61 9 5 2B N 0 0 1028 2859 Clear 0% cloud 06:00 1 62 9 5 2B N 0 0 1027 642 Clear 1% cloud 12:00 2.8 58 9 5 2B N 0 0 1027 3085 Clear 1% cloud 18:00 14.6 23 8 4 2B NW 0 0 1025 3136 Clear 0% cloud Monday, 26/10 00:00 4.9 60 7 4 2B N 0 0 1025 3143 Clear 0% cloud 06:00 4.4 45 8 4 2B N 0 0 1023 3135 Clear 0% cloud 12:00 5.8 50 9 5 2B N 0 0 1023 3131 Clear 0% cloud 18:00 16.4 40 10 5 2B NW 0 0 1021 3120 Clear 0% cloud Tuesday, 27/10 00:00 10.5 79 9 5 2B NW 0.16 0 1021 3031 Overcast 100% cloud |
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Loon Mountain Resort is a downhill ski area in New Hampshire, United States. Mapped terrain includes beginner, easy, intermediate, advanced, expert routes. Its mapped lift network extends from approximately 262 to 929 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: 44.0565229°N, -71.6297355°E · Requested elevation: 304 m. Model terrain: 617 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 13.6 91 15 8 3B W — — 1002 3212 Overcast 100% cloud 03:00 6.9 89 21 11 4B NW 1.1 0 1007 3233 Overcast 100% cloud 06:00 4.3 84 21 11 4B NW 0.23 0 1010 960 Overcast 98% cloud 09:00 3.2 79 17 9 3B NW 0.24 0 1013 798 Overcast 99% cloud 12:00 2.8 72 18 10 3B NW 0.18 0 1018 713 Overcast 95% cloud 15:00 3.4 54 21 11 4B NW 0.13 0 1020 721 Cloudy 73% cloud 18:00 5.2 29 21 11 4B NW 0.00 0 1021 816 Clear 14% cloud 21:00 3.8 34 19 10 3B NW 0 0 1023 817 Clear 1% cloud Sunday, 18/10 00:00 0.5 51 11 6 2B NW 0 0 1027 < 620 Clear 0% cloud 03:00 -0.8 64 7 4 2B NW 0 0 1029 < 620 Clear 0% cloud 06:00 -1.6 69 2 1 1B NW 0 0 1031 < 620 Clear 0% cloud 09:00 -1.2 67 1 0 0B NW 0 0 1032 < 620 Clear 0% cloud 12:00 1.1 59 1 0 0B S 0 0 1034 < 620 Clear 0% cloud 15:00 7.9 38 6 3 2B SW 0 0 1034 1238 Clear 5% cloud 18:00 11.1 39 8 5 2B W 0 0 1032 1541 Clear 0% cloud 21:00 10.5 48 5 3 1B SW 0 0 1032 3512 Clear 0% cloud Monday, 19/10 00:00 5.9 64 3 2 1B S 0 0 1032 3710 Clear 0% cloud 03:00 3.8 69 3 1 1B S 0 0 1033 3636 Clear 0% cloud 06:00 3.1 70 1 1 1B SE 0 0 1032 3760 Clear 0% cloud 09:00 3.2 69 2 1 1B S 0 0 1032 3786 Clear 0% cloud 12:00 5.2 65 2 1 1B S 0 0 1032 3716 Clear 0% cloud 15:00 14.3 39 3 1 1B W 0 0 1030 3646 Clear 0% cloud 18:00 17.6 36 3 2 1B SW 0 0 1028 3613 Clear 0% cloud 21:00 15.1 55 2 1 1B SW 0 0 1026 3594 Partly cloudy 24% cloud Tuesday, 20/10 00:00 8.8 64 2 1 1B N 0 0 1026 3585 Cloudy 55% cloud 03:00 7.8 61 8 5 2B N 0 0 1025 3493 Cloudy 71% cloud 06:00 6.1 74 9 5 2B N 0 0 1025 3494 Partly cloudy 31% cloud 09:00 5 82 9 5 2B N 0 0 1025 3530 Clear 9% cloud 12:00 6.3 78 7 4 2B N 0 0 1026 3447 Clear 0% cloud 15:00 15 37 4 2 1B N 0.00 0 1027 3507 Clear 0% cloud 18:00 17.5 26 8 4 2B N 0 0 1025 3579 Clear 0% cloud 21:00 14.3 39 10 5 2B N 0 0 1026 3602 Clear 0% cloud Wednesday, 21/10 00:00 6.6 73 9 5 2B N 0 0 1028 3541 Clear 0% cloud 03:00 4 81 7 4 2B N 0 0 1029 3509 Clear 0% cloud 06:00 2.5 79 5 3 1B NE 0 0 1029 3526 Clear 0% cloud 09:00 1.1 79 3 2 1B NE 0 0 1029 655 Clear 0% cloud 12:00 2.2 78 3 2 1B NE 0 0 1030 3656 Clear 0% cloud 15:00 10.3 46 2 1 1B E 0 0 1029 3661 Clear 0% cloud 18:00 13.6 37 1 1 1B E 0 0 1026 3688 Clear 0% cloud 21:00 11.6 49 1 1 0B S 0 0 1025 3792 Clear 0% cloud Thursday, 22/10 00:00 5.3 68 2 1 1B E 0 0 1026 3791 Clear 0% cloud 03:00 2.6 75 2 1 1B E 0 0 1025 3684 Clear 0% cloud 06:00 1.9 74 3 2 1B N 0 0 1023 3564 Clear 0% cloud 09:00 1.8 75 5 3 1B N 0 0 1021 3563 Clear 0% cloud 12:00 3.3 69 7 4 2B N 0 0 1020 3422 Clear 1% cloud 15:00 12.7 35 7 4 2B N 0 0 1020 3273 Clear 0% cloud 18:00 15.8 26 10 5 2B N 0 0 1017 3185 Clear 0% cloud 21:00 12.5 50 15 8 3B N 0 0 1018 3191 Clear 0% cloud Friday, 23/10 00:00 7.5 81 13 7 3B N 0 0 1020 2980 Cloudy 51% cloud 06:00 5.1 88 9 5 2B N 0.04 0 1023 2022 Partly cloudy 37% cloud 12:00 1 80 10 5 2B N 0.00 0 1028 < 620 Clear 0% cloud 18:00 10.9 35 11 6 2B N 0 0 1026 1465 Clear 0% cloud Saturday, 24/10 00:00 2.8 64 7 4 2B N 0 0 1030 1656 Clear 0% cloud 06:00 -0.6 69 4 2 1B N 0 0 1031 757 Clear 0% cloud 12:00 0.4 63 5 3 1B N 0 0 1031 692 Clear 0% cloud 18:00 12.7 24 10 5 2B N 0 0 1027 2696 Clear 0% cloud Sunday, 25/10 00:00 2.5 62 8 5 2B N 0 0 1028 2853 Clear 0% cloud 06:00 0.7 62 8 4 2B N 0 0 1027 658 Clear 1% cloud 12:00 2.5 58 8 4 2B N 0 0 1027 3084 Clear 1% cloud 18:00 14.4 23 8 4 2B NW 0 0 1025 3136 Clear 0% cloud Monday, 26/10 00:00 4.5 61 6 3 2B N 0 0 1025 3143 Clear 0% cloud 06:00 3.9 46 7 4 2B N 0 0 1023 3135 Clear 0% cloud 12:00 5.4 51 8 4 2B N 0 0 1023 3131 Clear 0% cloud 18:00 16.2 40 10 5 2B NW 0 0 1021 3120 Clear 0% cloud Tuesday, 27/10 00:00 10.2 80 8 5 2B NW 0.16 0 1021 3036 Overcast 100% 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: UTC.
Coordinates: 44.0350511°N, -71.619916°E · Requested elevation: 929 m. Model terrain: 627 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 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 10.6 98 33 18 5B W — — 1002 3236 Overcast 100% cloud 03:00 3.6 97 39 21 6B NW 1.0 0 1007 3282 Overcast 100% cloud 06:00 0.3 94 41 22 6B NW 0.20 0 1010 965 Overcast 98% cloud 09:00 -1.1 90 34 18 5B NW 0.21 0 1013 800 Overcast 99% cloud 12:00 -2 86 35 19 5B NW 0.15 0 1017 717 Overcast 95% cloud 15:00 -2.5 73 36 19 5B NW 0.11 0 1020 726 Cloudy 76% cloud 18:00 -1.1 40 35 19 5B NW 0.00 0 1021 819 Clear 12% cloud 21:00 -1.1 43 35 19 5B NW 0 0 1023 819 Clear 1% cloud Sunday, 18/10 00:00 -2.4 54 34 18 5B NW 0 0 1026 < 629 Clear 0% cloud 03:00 -2.9 63 31 17 5B NW 0 0 1029 < 629 Clear 0% cloud 06:00 -2.6 62 24 13 4B NW 0 0 1031 < 629 Clear 0% cloud 09:00 -1.3 56 17 9 3B NW 0 0 1032 < 629 Clear 0% cloud 12:00 -0.3 54 10 5 2B W 0 0 1034 < 629 Clear 0% cloud 15:00 1.9 49 11 6 2B SW 0 0 1034 1241 Clear 5% cloud 18:00 5.1 51 13 7 3B W 0 0 1032 1540 Clear 0% cloud 21:00 6.2 55 13 7 3B SW 0 0 1032 3522 Clear 0% cloud Monday, 19/10 00:00 6.5 56 18 10 3B SW 0 0 1032 3710 Clear 0% cloud 03:00 6.7 52 16 9 3B SW 0 0 1033 3633 Clear 0% cloud 06:00 8.1 40 13 7 3B SW 0 0 1032 3768 Clear 0% cloud 09:00 7.9 40 14 7 3B SW 0 0 1032 3790 Clear 0% cloud 12:00 8.9 33 12 6 2B SW 0 0 1032 3719 Clear 0% cloud 15:00 10.4 33 9 5 2B W 0 0 1030 3651 Clear 0% cloud 18:00 12.5 41 6 3 1B W 0 0 1028 3615 Clear 0% cloud 21:00 12.6 42 6 3 2B NW 0 0 1026 3602 Partly cloudy 26% cloud Tuesday, 20/10 00:00 11.9 41 13 7 3B NW 0 0 1026 3581 Cloudy 58% cloud 03:00 10.7 43 25 14 4B N 0 0 1025 3488 Cloudy 73% cloud 06:00 8.9 48 24 13 4B N 0 0 1025 3498 Partly cloudy 32% cloud 09:00 8.7 58 24 13 4B NE 0 0 1025 3534 Clear 11% cloud 12:00 8.8 42 21 11 4B NE 0 0 1026 3447 Clear 0% cloud 15:00 9.4 39 13 7 3B NE 0.00 0 1026 3509 Clear 0% cloud 18:00 11.4 31 12 7 2B N 0 0 1025 3581 Clear 0% cloud 21:00 10.5 40 20 11 4B N 0 0 1026 3606 Clear 0% cloud Wednesday, 21/10 00:00 7.6 55 23 13 4B N 0 0 1028 3545 Clear 0% cloud 03:00 6.4 51 22 12 4B NE 0 0 1029 3512 Clear 0% cloud 06:00 5.2 54 16 9 3B NE 0 0 1029 3530 Clear 0% cloud 09:00 3.8 60 14 7 3B NE 0 0 1029 663 Clear 0% cloud 12:00 3.7 52 12 6 2B NE 0 0 1030 3656 Clear 0% cloud 15:00 4.7 54 9 5 2B E 0 0 1029 3665 Clear 0% cloud 18:00 7.8 44 6 3 2B E 0 0 1026 3690 Clear 0% cloud 21:00 7.8 48 5 3 1B NE 0 0 1025 3796 Clear 0% cloud Thursday, 22/10 00:00 6.7 50 6 3 2B E 0 0 1026 3795 Clear 0% cloud 03:00 5.7 52 5 3 1B NE 0 0 1025 3688 Clear 0% cloud 06:00 6 48 8 5 2B N 0 0 1023 630 Clear 0% cloud 09:00 6.6 41 13 7 3B N 0 0 1021 631 Clear 0% cloud 12:00 7.1 29 17 9 3B N 0 0 1020 3430 Clear 0% cloud 15:00 7.7 34 15 8 3B N 0 0 1020 3275 Clear 0% cloud 18:00 10.2 27 16 8 3B N 0 0 1017 3190 Clear 0% cloud 21:00 8.7 53 30 16 5B N 0 0 1018 3195 Clear 0% cloud Friday, 23/10 00:00 5.9 81 34 18 5B N 0 0 1020 2986 Partly cloudy 48% cloud 06:00 3 82 27 15 4B NE 0.03 0 1023 2046 Partly cloudy 36% cloud 12:00 -0.4 63 30 16 5B NE 0.00 0 1027 < 629 Clear 0% cloud 18:00 4.8 45 19 10 3B NE 0 0 1026 1466 Clear 0% cloud Saturday, 24/10 00:00 3.3 47 26 14 4B NE 0 0 1029 1636 Clear 0% cloud 06:00 2.2 40 14 7 3B NE 0 0 1031 762 Clear 0% cloud 12:00 3.5 22 16 8 3B N 0 0 1030 701 Clear 0% cloud 18:00 7.1 26 18 10 3B N 0 0 1027 2697 Clear 0% cloud Sunday, 25/10 00:00 5.7 24 28 15 4B N 0 0 1028 2852 Clear 0% cloud 06:00 5.8 13 24 13 4B N 0 0 1026 670 Clear 0% cloud 12:00 5.6 23 24 13 4B N 0 0 1027 3079 Clear 0% cloud 18:00 9.1 23 14 7 3B NW 0 0 1025 3136 Clear 0% cloud Monday, 26/10 00:00 9 16 20 11 3B NW 0 0 1025 3143 Clear 0% cloud 06:00 9 20 20 11 4B NW 0 0 1023 3135 Clear 0% cloud 12:00 9.2 26 21 12 4B NW 0 0 1022 3131 Clear 0% cloud 18:00 11 50 20 11 4B NW 0 0 1020 3120 Clear 0% cloud Tuesday, 27/10 00:00 9.7 81 31 17 5B NW 0.15 0 1021 3051 Overcast 100% cloud |
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