A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >
The first day of meteorological winter officially begins Monday morning. Monday is the shortest day of the year, and tonight is the longest night. Each day will get a little longer until June 20th.
| Sunrise | Sunset | Daylength (hours) | |
| Madison: | |||
| December 19, 2020 | 7:25 AM | 4:25 PM | 8:59:51 |
| December 20, 2020 | 7:26 AM | 4:25 PM | 8:59:45 |
| December 21, 2020 | 7:26 AM | 4:26 PM | 8:59:45 |
| December 22, 2020 | 7:27 AM | 4:26 PM | 8:59:48 |
| Milwaukee: | |||
| December 19, 2020 | 7:19 AM | 4:19 PM | 9:00:07 |
| December 20, 2020 | 7:20 AM | 4:20 PM | 9:00:02 |
| December 21, 2020 | 7:20 AM | 4:20 PM | 9:00:01 |
| December 22, 2020 | 7:21 AM | 4:21 PM | 9:00:05 |
source: https://www.esrl.noaa.gov/gmd/grad/solcalc/ and https://www.timeanddate.com/sun/usa
https://www.esrl.noaa.gov/gmd/grad/solcalc/table.php?lat=43.0731&lon=-89.4012&year=2020
https://www.esrl.noaa.gov/gmd/grad/solcalc/table.php?lat=43.0389&lon=-87.9065&year=2020
The Winter Solstice occurs on Monday, December 21st at 4:02 am (10:02 UTC, Dec 21). This is when the Sun is directly overhead at "high noon" at the Tropic Of Capricorn, or -23.5 degrees of latitude south of the equator. The Summer Solstice, on the other hand, is when the sun is directly overhead at "high noon" at the Tropic Of Cancer, or +23.5 degrees latitude north of the equator. The shortest daylight hours of the year are around the Winter Solstice. For more info, go here: https://scijinks.gov/solstice/​
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