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UPDATE:
The National Weather Service said at 8:20 p.m. that "storms capable of producing wind gusts 40 to 55 mph with lightning" and heavy rainfall are moving into Washington and western Kane County through 9:15 p.m.
Earlier, the weather service issued a significant weather advisory for southwestern Millard, Beaver and northwestern Iron counties through 6 p.m. The areas were expected to experience a storm with heavy rains, hail and wind gusts up to 50 mph.
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ST. GEORGE — Parts of southern Utah are under a flash flood watch Tuesday after a nearly statewide excessive heat warning expired Monday night. Meanwhile, 98% of the state is in "exceptional" or "excessive" drought.
The National Weather Service says widespread thunderstorms could bring heavy rain across southern Utah. This could lead to flash flooding in slot canyons, dry washes, and recent burn scars. The service says the watch applies to Zion National Park, Bryce Canyon National Park, Capitol Reef National Park, Caineville, Grand Staircase-Escalante, and St. George.
*NEW* A Flash Flood Watch has been issued for portions of southern Utah beginning at noon tomorrow until midnight. Here is a brief overview of what to expect #utwxpic.twitter.com/PqMeVAFIUh
— NWS Salt Lake City (@NWSSaltLakeCity) July 12, 2021
However, a watch is different from a flash flood warning. The National Weather Service says a watch means flash flooding is possible, whereas a warning means it's imminent.
Just so that everyone is aware, this is a flash flood WATCH, not a flash flood WARNING. A "watch" means that conditions are forecast to be favorable for flash flooding, whereas a "warning" means that a flash flood is imminent or ongoing. A small, but important, difference! #utwxhttps://t.co/QLh0LIEMLU
— NWS Salt Lake City (@NWSSaltLakeCity) July 12, 2021
The watch is in effect from noon to midnight.
Get the complete forecast on the KSL Weather Page.
Contributing: Ashley Fredde, KSL.com
