Weather Alert WatchOfficial-source alert index
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Heat Advisory for Larimer County Below 6000 Feet/Northwest Weld County; Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County; North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County +1 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

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What you need to know

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Official urgency
Expected
Official certainty
Likely

What is happening

What: High Temperatures 99 to 103. Impacts: Hot temperatures may cause heat illnesses. Where: Fort Collins, Boulder, Denver metro, and Greeley. When: Until 9 PM MDT this evening.

What the bulletin says to do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Read official NWS bulletin

Full official description

Bulletin details

* WHAT...High Temperatures 99 to 103. * WHERE...Fort Collins, Boulder, Denver metro, and Greeley. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

Lifecycle record

Official revisions

2 captured
  1. Update

    Heat Advisory issued July 20 at 3:08PM MDT until July 20 at 9:00PM MDT by NWS Denver CO

    Official revision
  2. Update

    Heat Advisory issued July 20 at 3:24AM MDT until July 20 at 9:00PM MDT by NWS Denver CO

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Denver CO. This page reorganizes official fields and does not add a forecast or expand the affected area.

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