A heat wave hit much of the central U.S. over the weekend, while snow and cool temperatures arrived in the Northwest.

ALMA's snow day was the result of a "cold core" passing through the country, according to the Chilean Meteorological ...

Kentucky records - All-time highest temperature: 114° F (Greensburg on July 28, 1930) - All-time lowest temperature: -37° F ...

Snow covered Chile's Atacama Desert, offering a rare sight of winter in a place with almost nonexistent rainfall and normally ...

North Carolina records - All-time highest temperature: 110° F (Fayetteville on Aug. 21, 1983) - All-time lowest temperature: ...

Glaciers are flowing rivers of ice, formed when snowfall compresses into a solid sheet. Over the span of hundreds of years, ...

Idaho records - All-time highest temperature: 118° F (Orofino on July 28, 1934) - All-time lowest temperature: -60° F (Island ...

Missouri records - All-time highest temperature: 118° F (Union on July 14, 1954) - All-time lowest temperature: -40° F ...

Florida records - All-time highest temperature: 109° F (Monticello on June 29, 1931) - All-time lowest temperature: -2° F ...

California records - All-time highest temperature: 134° F (Greenland Ranch on July 10, 1913) - All-time lowest temperature: ...

Georgia records - All-time highest temperature: 112° F (Greenville 2 NNW on Aug. 20, 1983) - All-time lowest temperature: ...

Stacker consulted data from the NOAA's State Climate Extremes Committee (SCEC) to illustrate the hottest and coldest ...