Summary
A polar vortex is predicted to bring very cold temperatures to parts of the United States through January. This weather pattern is expected to cause temperatures to drop below normal, affecting areas in the Great Plains, Midwest, and Northeast. States such as North Dakota and Minnesota could see temperatures fall below -20 degrees Fahrenheit.
Key Facts
- A polar vortex is causing cold weather in the U.S. through January.
- The jet stream is creating a pattern that brings cold air to parts of the country.
- States in the Great Plains, Midwest, and Northeast will see below-normal temperatures.
- The National Weather Service predicts temperatures below -20°F in northern North Dakota and Minnesota.
- An Arctic cold pattern may raise the chances of snow in the Midwest and Northeast.
- The polar vortex is a large area of low pressure and cold air near the Earth's poles.
- This weather pattern is common in winter and often leads to cold outbreaks.