WFXR Weather Trivia: Greatest 24-hour temperature change on record


ROANOKE, Va. (WFXR) — People have joked about Virginia experiencing three seasons on the same day. It’s not uncommon for high temperatures to be in the 70s one day and in the 50s the next.

However, there have been some major 24-hour temperature changes in other parts of the United States.

Today’s WFXR Weather Trivia question asks: What is the greatest 24-hours temperature change on record for the United States?

Check the answer below to see if you’re right:

The largest temperature change ever recorded within 24 hours took place in Loma, Montana. At 9 a.m. on Jan. 14, 1972, the town reported a temperature of -47.7°C (-54°F). By 8 a.m. the next day, the temperature had risen to 9.4°C (49°F). The town’s temperature changed 57.2°C (103°F) in 24 hours.

Meteorologists say the extreme temperature change was caused by a downslope chinook wind event. These warm winds can travel down the east side of the Rocky Mountains at speeds up to 100 mph.

This temperature change is recognized by the Guinness Book of World Records as the greatest temperature range in a day ever recorded in the United States and the world!

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