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Active official alertUpdated

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 +3 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Moderate
Official urgency
Expected
Official certainty
Likely

What is happening

What: Temperatures of 98 to 104 on Sunday and 96 to 101 on Monday. Impacts: Hot temperatures may cause heat illnesses. Where: Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, Briggsdale, and Greeley. When: From noon Sunday to 9 PM MDT Monday.

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.

Full official description

Bulletin details

* WHAT...Temperatures of 98 to 104 on Sunday and 96 to 101 on Monday. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, Briggsdale, and Greeley. * WHEN...From noon Sunday to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

4 captured
  1. Update

    Heat Advisory issued August 1 at 1:03PM MDT until August 3 at 9:00PM MDT by NWS Denver CO

    Official revision
  2. Update

    Heat Advisory issued August 1 at 3:48AM MDT until August 3 at 9:00PM MDT by NWS Denver CO

    Official revision
  3. Update

    Heat Advisory issued July 31 at 11:44AM MDT until August 3 at 9:00PM MDT by NWS Denver CO

    Official revision
  4. Alert

    Heat Advisory issued July 31 at 2:15AM MDT until August 2 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.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections