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 | Wednesday, 04/11 06:00 3.2 82 35 19 5B SW — — 1024 825 Partly cloudy 28% cloud 09:00 2.8 77 29 15 4B SW 0 0 1026 880 Clear 11% cloud 12:00 3.3 76 27 14 4B SW 0 0 1027 875 Clear 19% cloud 15:00 3.7 77 24 13 4B SW 0 0 1028 886 Partly cloudy 29% cloud 18:00 2.6 78 18 10 3B SW 0 0 1028 956 Partly cloudy 31% cloud 21:00 1 82 14 7 3B S 0 0 1029 1148 Cloudy 67% cloud Thursday, 05/11 00:00 -0.2 86 11 6 2B S 0 0 1028 364 Cloudy 59% cloud 03:00 2.4 73 11 6 2B SE 0 0 1026 1738 Overcast 100% cloud 06:00 5.7 77 18 9 3B S 0.17 0 1024 1922 Overcast 88% cloud 09:00 7 75 19 10 3B S 0 0 1022 1946 Overcast 90% cloud 12:00 7.6 74 24 13 4B S 0 0 1021 2034 Overcast 87% cloud 15:00 7.8 71 35 19 5B SW 0 0 1020 1964 Cloudy 63% cloud 18:00 6.9 71 35 19 5B SW 0 0 1019 1771 Overcast 93% cloud 21:00 6.5 75 31 17 5B SW 0.06 0 1018 1486 Overcast 100% cloud Friday, 06/11 00:00 4.7 89 23 12 4B SW 1.1 0 1018 1261 Overcast 98% cloud 03:00 4.1 89 28 15 4B SW 0.13 0 1018 999 Cloudy 74% cloud 06:00 3.1 82 31 17 5B SW 0 0 1017 715 Overcast 86% cloud 09:00 2.9 79 37 20 5B SW 0 0 1018 691 Cloudy 61% cloud 12:00 2.8 81 35 19 5B SW 0 0 1018 666 Partly cloudy 45% cloud 15:00 2.9 79 33 18 5B SW 0 0 1018 669 Overcast 82% cloud 18:00 2.5 80 31 17 5B SW 0 0 1019 637 Overcast 91% cloud 21:00 2.2 79 32 17 5B SW 0 0 1019 638 Overcast 95% cloud Saturday, 07/11 00:00 2.3 73 32 17 5B SW 0 0 1018 670 Overcast 93% cloud 03:00 2.7 68 28 15 4B SW 0 0 1017 787 Overcast 97% cloud 06:00 4 79 14 8 3B SW 0.06 0 1014 1086 Overcast 100% cloud 09:00 4.8 86 20 11 3B SW 0.70 0 1012 1183 Overcast 100% cloud 12:00 5.1 87 29 16 5B SW 0.43 0 1010 1126 Overcast 98% cloud 15:00 5.6 86 36 19 5B SW 0.73 0 1007 1217 Overcast 100% cloud 18:00 5.1 85 41 22 6B SW 0.90 0 1004 1124 Overcast 100% cloud 21:00 4.7 88 43 23 6B SW 0.89 0 1002 1045 Overcast 100% cloud Sunday, 08/11 00:00 4 89 43 23 6B SW 1.5 0 1002 929 Overcast 100% cloud 03:00 3.8 89 41 22 6B SW 0.48 0 1002 902 Overcast 100% cloud 06:00 3.5 90 32 17 5B SW 0.91 0 1002 819 Overcast 100% cloud 09:00 1.7 95 9 5 2B W 2.3 0 1004 752 Overcast 100% cloud 12:00 0.9 96 6 3 2B NE 3.7 1.5 1004 466 Overcast 100% cloud 15:00 0.3 95 12 7 2B E 2.8 0.9 1005 383 Overcast 100% cloud 18:00 0.1 95 16 8 3B E 2.3 0.7 1006 338 Overcast 100% cloud 21:00 -0.3 92 18 10 3B NE 0.88 0.3 1008 297 Overcast 100% cloud Monday, 09/11 00:00 -0.6 85 17 9 3B NE 0.33 0.1 1009 < 267 Overcast 99% cloud 03:00 -0.4 80 16 9 3B NE 0.45 0.1 1009 288 Overcast 100% cloud 06:00 -0.9 90 24 13 4B NE 0.51 0.2 1011 < 267 Overcast 100% cloud 09:00 -1.3 90 28 15 4B NE 1.2 0.4 1013 < 267 Overcast 100% cloud 12:00 -2 88 24 13 4B NE 1.3 0.4 1015 < 267 Overcast 100% cloud 15:00 -2.6 86 17 9 3B NE 0.55 0.2 1016 < 267 Overcast 100% cloud 18:00 -3.4 83 12 7 3B NE 0.19 0.2 1017 < 267 Overcast 98% cloud 21:00 -4.1 82 8 4 2B NE 0.01 0 1018 < 267 Overcast 94% cloud Tuesday, 10/11 00:00 -4.5 81 4 2 1B N 0.12 0.1 1017 < 267 Overcast 93% cloud 03:00 -4.8 81 6 3 2B W 0.17 0.2 1017 < 267 Overcast 100% cloud 06:00 -5.1 79 11 6 2B SW 0.07 0.1 1016 < 267 Overcast 95% cloud |
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Forecast table times: UTC.
Coordinates: 66.124348°N, -18.9777167°E · Requested elevation: 328 m. Model terrain: 264 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.
Siglufjordur is a mapped downhill ski area in IS. Forecasts cover three real lift-station locations from approximately 328 to 641 metres. Elevations are terrain-model estimates.
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 | Wednesday, 04/11 06:00 2.2 84 44 24 6B SW — — 1024 824 Partly cloudy 28% cloud 09:00 2 78 37 20 5B SW 0 0 1026 878 Clear 11% cloud 12:00 2.4 76 35 19 5B SW 0 0 1027 874 Clear 19% cloud 15:00 2.6 79 32 17 5B SW 0 0 1028 884 Partly cloudy 28% cloud 18:00 2 78 24 13 4B SW 0 0 1028 955 Partly cloudy 31% cloud 21:00 1.3 77 17 9 3B SW 0 0 1028 1147 Cloudy 67% cloud Thursday, 05/11 00:00 0.6 76 12 6 2B S 0 0 1028 367 Cloudy 60% cloud 03:00 3.1 67 14 7 3B S 0 0 1026 1735 Overcast 100% cloud 06:00 5.9 75 27 15 4B S 0.18 0 1024 1921 Overcast 87% cloud 09:00 6.9 74 31 17 5B S 0 0 1022 1945 Overcast 90% cloud 12:00 7.3 73 38 20 5B S 0 0 1021 2033 Overcast 87% cloud 15:00 7.2 71 49 26 6B SW 0 0 1020 1961 Cloudy 63% cloud 18:00 6.3 70 49 27 6B SW 0 0 1019 1767 Overcast 94% cloud 21:00 5.8 77 44 24 6B SW 0.06 0 1018 1481 Overcast 100% cloud Friday, 06/11 00:00 3.9 92 30 16 5B SW 1.1 0 1018 1260 Overcast 98% cloud 03:00 3 89 37 20 5B SW 0.12 0 1018 995 Cloudy 74% cloud 06:00 1.8 83 40 22 6B SW 0 0 1017 713 Overcast 86% cloud 09:00 1.6 82 46 25 6B SW 0 0 1018 690 Cloudy 61% cloud 12:00 1.5 84 44 24 6B SW 0 0 1018 667 Partly cloudy 46% cloud 15:00 1.5 82 41 22 6B SW 0 0 1018 670 Overcast 82% cloud 18:00 1.2 82 39 21 6B SW 0 0 1019 637 Overcast 91% cloud 21:00 1.1 81 41 22 6B SW 0 0 1019 640 Overcast 95% cloud Saturday, 07/11 00:00 1.2 75 41 22 6B SW 0 0 1018 670 Overcast 94% cloud 03:00 1.7 71 37 20 5B SW 0 0 1017 783 Overcast 97% cloud 06:00 3.1 82 25 13 4B SW 0.06 0 1014 1085 Overcast 100% cloud 09:00 4 90 31 17 5B SW 0.68 0 1012 1181 Overcast 100% cloud 12:00 4.1 88 41 22 6B SW 0.39 0 1010 1126 Overcast 98% cloud 15:00 4.6 88 49 27 6B SW 0.73 0 1007 1217 Overcast 100% cloud 18:00 4.1 86 55 30 7B SW 0.91 0 1004 1124 Overcast 100% cloud 21:00 3.5 91 57 31 7B SW 0.91 0 1002 1042 Overcast 100% cloud Sunday, 08/11 00:00 2.9 91 56 30 7B SW 1.5 0 1002 927 Overcast 100% cloud 03:00 2.7 91 53 29 7B SW 0.49 0 1002 900 Overcast 100% cloud 06:00 2.2 93 39 21 6B SW 0.91 0 1002 816 Overcast 100% cloud 09:00 1.1 95 17 9 3B SW 2.4 0.7 1004 751 Overcast 100% cloud 12:00 -0.2 98 2 1 1B E 3.7 1.5 1004 468 Overcast 100% cloud 15:00 -0.7 95 10 6 2B E 2.9 0.9 1005 386 Overcast 100% cloud 18:00 -1.1 95 16 9 3B E 2.3 0.7 1006 340 Overcast 100% cloud 21:00 -1.7 95 20 11 3B NE 0.87 0.3 1008 297 Overcast 100% cloud Monday, 09/11 00:00 -2 88 20 11 3B NE 0.31 0.1 1009 < 267 Overcast 98% cloud 03:00 -1.9 84 19 10 3B NE 0.43 0.1 1009 288 Overcast 100% cloud 06:00 -2.3 93 27 15 4B NE 0.50 0.1 1011 < 267 Overcast 100% cloud 09:00 -2.8 93 33 18 5B NE 1.2 0.4 1013 < 267 Overcast 100% cloud 12:00 -3.7 91 28 15 4B NE 1.3 1.3 1015 < 267 Overcast 100% cloud 15:00 -4.2 90 20 11 3B NE 0.55 0.5 1016 < 267 Overcast 100% cloud 18:00 -5 87 14 8 3B NE 0.19 0.2 1017 < 267 Overcast 98% cloud 21:00 -5.7 87 9 5 2B NE 0.00 0 1018 < 267 Overcast 94% cloud Tuesday, 10/11 00:00 -6 86 4 2 1B N 0.12 0.1 1017 < 267 Overcast 94% cloud 03:00 -6.3 86 7 4 2B W 0.18 0.2 1017 < 267 Overcast 100% cloud 06:00 -6.4 82 14 7 3B SW 0.06 0.1 1016 < 267 Overcast 96% cloud |
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Forecast table times: UTC.
Coordinates: 66.1248545°N, -18.9905001°E · Requested elevation: 490 m. Model terrain: 264 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 | Wednesday, 04/11 06:00 1.2 85 54 29 7B SW — — 1024 823 Partly cloudy 28% cloud 09:00 1.2 79 46 25 6B SW 0 0 1026 879 Clear 11% cloud 12:00 1.4 77 43 23 6B SW 0 0 1027 875 Clear 19% cloud 15:00 1.6 80 40 22 6B SW 0 0 1028 884 Partly cloudy 28% cloud 18:00 1.5 77 31 17 5B SW 0 0 1028 954 Partly cloudy 31% cloud 21:00 1.6 74 21 11 4B SW 0 0 1028 1147 Cloudy 67% cloud Thursday, 05/11 00:00 1.5 68 14 7 3B S 0 0 1028 344 Cloudy 60% cloud 03:00 3.7 61 18 9 3B S 0 0 1026 1733 Overcast 100% cloud 06:00 6.1 73 38 20 5B S 0.18 0 1024 1920 Overcast 87% cloud 09:00 6.8 73 44 24 6B SW 0 0 1022 1944 Overcast 90% cloud 12:00 6.9 73 52 28 7B SW 0 0 1021 2033 Overcast 87% cloud 15:00 6.5 70 62 33 7B SW 0 0 1020 1961 Cloudy 63% cloud 18:00 5.7 70 62 34 8B SW 0 0 1019 1767 Overcast 95% cloud 21:00 5.2 79 55 30 7B SW 0.06 0 1018 1478 Overcast 100% cloud Friday, 06/11 00:00 3.2 95 38 20 5B SW 1.1 0 1018 1258 Overcast 98% cloud 03:00 1.9 87 45 24 6B SW 0.12 0 1018 993 Cloudy 73% cloud 06:00 0.6 83 49 26 6B SW 0 0 1017 712 Overcast 86% cloud 09:00 0.4 84 55 30 7B SW 0 0 1018 690 Cloudy 61% cloud 12:00 0.2 87 53 29 7B SW 0 0 1018 667 Partly cloudy 45% cloud 15:00 0.2 85 49 27 6B SW 0 0 1018 670 Overcast 82% cloud 18:00 -0 85 47 25 6B SW 0 0 1019 638 Overcast 91% cloud 21:00 -0 83 49 26 6B SW 0 0 1019 641 Overcast 95% cloud Saturday, 07/11 00:00 0.2 77 50 27 6B SW 0 0 1018 671 Overcast 94% cloud 03:00 0.8 74 46 25 6B SW 0 0 1017 780 Overcast 97% cloud 06:00 2.3 86 34 19 5B SW 0.06 0 1014 1083 Overcast 100% cloud 09:00 3.1 95 41 22 6B SW 0.67 0 1012 1179 Overcast 100% cloud 12:00 3.2 89 51 28 7B SW 0.39 0 1010 1125 Overcast 98% cloud 15:00 3.7 90 61 33 7B SW 0.73 0 1007 1217 Overcast 100% cloud 18:00 3.2 88 68 37 8B SW 0.91 0 1004 1125 Overcast 100% cloud 21:00 2.3 94 69 37 8B SW 0.91 0 1002 1040 Overcast 100% cloud Sunday, 08/11 00:00 1.8 92 68 37 8B SW 1.5 0 1002 927 Overcast 100% cloud 03:00 1.6 93 64 35 8B SW 0.48 0 1002 899 Overcast 100% cloud 06:00 1 96 46 25 6B SW 0.91 0.3 1002 814 Overcast 100% cloud 09:00 0.5 96 26 14 4B SW 2.4 0.7 1004 747 Overcast 100% cloud 12:00 -1.2 100 2 1 1B SW 3.7 1.5 1004 465 Overcast 100% cloud 15:00 -1.6 95 9 5 2B E 2.8 0.8 1005 385 Overcast 100% cloud 18:00 -2.2 96 17 9 3B E 2.2 0.7 1006 341 Overcast 100% cloud 21:00 -3 98 22 12 4B NE 0.85 0.9 1008 297 Overcast 100% cloud Monday, 09/11 00:00 -3.4 90 22 12 4B NE 0.30 0.3 1009 263 Overcast 98% cloud 03:00 -3.4 88 21 11 4B NE 0.42 0.4 1009 290 Overcast 100% cloud 06:00 -3.6 97 30 16 5B NE 0.49 0.5 1011 < 261 Overcast 100% cloud 09:00 -4.2 96 38 20 5B NE 1.2 1.2 1013 < 261 Overcast 100% cloud 12:00 -5.2 95 31 17 5B NE 1.3 1.3 1015 < 261 Overcast 100% cloud 15:00 -5.8 94 22 12 4B NE 0.54 0.5 1016 < 261 Overcast 100% cloud 18:00 -6.4 91 15 8 3B NE 0.18 0.2 1017 < 261 Overcast 98% cloud 21:00 -7.1 92 10 5 2B NE 0.00 0 1018 < 261 Overcast 94% cloud Tuesday, 10/11 00:00 -7.5 91 5 3 1B N 0.12 0.1 1017 < 261 Overcast 94% cloud 03:00 -7.7 90 7 4 2B W 0.18 0.2 1017 < 261 Overcast 100% cloud 06:00 -7.7 84 16 9 3B SW 0.06 0.1 1016 < 261 Overcast 96% cloud |
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Forecast table times: UTC.
Coordinates: 66.1281439°N, -18.9943289°E · Requested elevation: 641 m. Model terrain: 258 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.