An arctic air mass will channel temperatures 20-30 degrees below already historically cold January averages. The South braced ...

A strong cold front will bring “dangerously cold wind chills” -- as low as minus 30 degrees -- to Iowa this weekend.

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.

The air mass will be ushered in behind an arctic cold front that could bring gusty northwest winds of up to 40 MPH at times ...

Thaw continues on Friday with highs forecast to be in the 30s & 40s. A strong cold front moves through Friday night followed ...

Lane said that the arctic air mass is expected to bring low temperatures in the single digits and high temperatures that ...

After a long spell of warm, dry weather, an Arctic cold front is forecast to descend over Alberta this weekend — sending temperatures plunging by up to 40 degrees.

A “strong cold front will usher in a dangerously cold Arctic air mass” across much of the United States this weekend, ...

Morning lows will stay in the upper 30s and low 40s through Friday. The coldest morning is forecast to be Thursday, marking ...

A low temperature warning is in effect for the entire country until Thursday, with Met Éireann forecasting widespread frost ...

Gather your supplies! This episode is about cold fronts. We will use water and oil to model a cold front passage.

(WALB) - Today, a low-pressure system will slide a warm front northward through South Georgia ... upper 20s for Tuesday morning. This arctic air will continue with highs in the 40s and lows ...