| Point Forecast: Duluth International Airport MN 46.83N 92.2W |
Last Update: 12:41 am CST Dec 17, 2025 |
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| Date | 12/17 | 12/18 | ||||||||||||||||||||||
| Hour (CST) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 22 | 19 | 18 | 16 | 13 | 13 | 12 | 11 | 14 | 18 | 20 | 23 | 24 | 24 | 25 | 27 | 26 | 27 | 28 | 28 | 29 | 30 | 30 | 31 |
| Dewpoint (°F) | 13 | 9 | 8 | 7 | 7 | 5 | 5 | 5 | 7 | 10 | 12 | 14 | 16 | 18 | 18 | 20 | 21 | 21 | 23 | 24 | 26 | 28 | 29 | 27 |
| Wind Chill (°F) | 7 | 4 | 4 | 3 | 1 | 4 | 3 | 2 | 5 | 8 | 9 | 13 | 14 | 12 | 14 | 16 | 14 | 16 | 16 | 16 | 17 | 18 | 18 | 20 |
| Surface Wind (mph) | 22 | 18 | 15 | 11 | 9 | 7 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 11 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 |
| Wind Dir | NW | NW | NW | NW | W | W | W | W | W | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 37 | 32 | 28 | 21 | 15 | 16 | 18 | 20 | 22 | 23 | 25 | 26 | 29 | 30 | 31 | 32 | 33 | 33 | 33 | |||||
| Sky Cover (%) | 100 | 94 | 85 | 84 | 84 | 81 | 71 | 59 | 53 | 56 | 64 | 74 | 81 | 87 | 92 | 94 | 93 | 93 | 94 | 95 | 96 | 97 | 97 | 98 |
| Precipitation Potential (%) | 12 | 12 | 12 | 12 | 12 | 12 | 7 | 0 | 1 | 1 | 1 | 4 | 3 | 7 | 6 | 9 | 16 | 75 | 75 | 75 | 75 | 75 | 75 | 66 |
| Relative Humidity (%) | 68 | 64 | 64 | 67 | 76 | 70 | 73 | 76 | 73 | 70 | 71 | 68 | 71 | 77 | 74 | 74 | 81 | 78 | 81 | 85 | 88 | 92 | 96 | 85 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 12/19 | |||||||||||||||||||||||
| Hour (CST) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 29 | 28 | 25 | 23 | 19 | 16 | 13 | 10 | 7 | 5 | 3 | 1 | 0 | -1 | -2 |
| Dewpoint (°F) | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 27 | 28 | 27 | 25 | 22 | 19 | 16 | 12 | 9 | 5 | 2 | -1 | -3 | -5 | -7 | -8 | -9 |
| Wind Chill (°F) | 20 | 20 | 22 | 21 | 21 | 22 | 21 | 21 | 19 | 18 | 16 | 12 | 9 | 3 | -1 | -5 | -9 | -13 | -15 | -17 | -19 | -20 | -20 | -20 |
| Surface Wind (mph) | 17 | 16 | 15 | 14 | 14 | 13 | 11 | 11 | 11 | 13 | 14 | 16 | 17 | 20 | 21 | 22 | 22 | 22 | 21 | 20 | 18 | 17 | 16 | 15 |
| Wind Dir | S | SW | SW | SW | SW | SW | SW | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | NW | NW |
| Gust | 32 | 30 | 28 | 25 | 23 | 22 | 21 | 21 | 22 | 22 | 23 | 25 | 29 | 33 | 37 | 38 | 39 | 38 | 37 | 36 | 33 | 30 | 28 | 25 |
| Sky Cover (%) | 98 | 98 | 96 | 91 | 84 | 77 | 75 | 74 | 72 | 76 | 79 | 83 | 83 | 82 | 82 | 81 | 79 | 78 | 74 | 69 | 65 | 55 | 45 | 35 |
| Precipitation Potential (%) | 66 | 66 | 66 | 66 | 66 | 58 | 58 | 58 | 58 | 58 | 58 | 62 | 62 | 62 | 62 | 62 | 62 | 19 | 19 | 19 | 19 | 19 | 19 | 3 |
| Relative Humidity (%) | 88 | 92 | 92 | 96 | 92 | 88 | 88 | 85 | 92 | 92 | 88 | 88 | 84 | 88 | 84 | 84 | 80 | 79 | 76 | 75 | 75 | 71 | 71 | 71 |
| Rain | -- | -- | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Freezing Rain | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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