The warning was issued for Northern Colorado.

“Winds have decreased and a gradual increase in humidity is expected this evening,” describes the National Weather Service.

The full list of affected locations includes:

• Jackson County below 9,000 feet

• Grand and Summit counties below 9,000 feet

• Larimer and Boulder counties between 6,000 and 9,000 Feet

• Jefferson and West Douglas counties above 6,000 feet/Gilpin/Clear Creek/Northeast Park counties below 9,000 feet

• Larimer County below 6,000 feet/Northwest Weld County

• Boulder/Jefferson counties below 6,000 feet/West Broomfield County

• Northeast Weld County

• Central and South Weld County

Source: The National Weather Service