The National Weather Service has issued a hard freeze warning in Washington, Iron and Beaver counties with temperatures dropping as low as 20 degrees.

The warning started last night and is expected to last until 10 a.m. Tuesday.

The National Weather Service is warning of sub-freezing temperatures as low as 25 degrees Sunday night and 20 degrees Monday night in west-central Utah and southwest Utah.

Frost and freezing conditions are expected to kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Hard freezes are expected to continue through Tuesday and Wednesday night. 

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