Weather Alerts for Denver

Issued by the National Weather Service

Freeze Warning  FREEZE WARNING   Freeze Warning
DENVER

Areas Affected:
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 - Elbert/Central and East Douglas Counties Above 6000 Feet - Central and East Adams and Arapahoe Counties
Effective: Mon, 10/20 10:52am Updated: Mon, 10/20 4:58pm Urgency: Expected
Expires: Tue, 10/21 6:00am Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Freezing or near freezing low temperatures between 29 and
34 degrees. The coldest readings will occur from Fort Collins
through Longmont, and also east and south of Denver metro.

* WHERE...Fort Collins, Boulder, Denver metro area, Castle Rock, and
Byers.

* WHEN...From midnight tonight to 8 AM MDT Tuesday.

* IMPACTS...Frost and freeze conditions could kill crops and other
sensitive vegetation. Damage may also occur to unprotected outdoor
plumbing.

Information:
Take steps now to protect tender plants from the cold, either moving
them indoors or covering with blankets.

To prevent water pipes from freezing, wrap or drain any above ground
sprinkler systems.

Red Flag Warning  RED FLAG WARNING   Red Flag Warning
DENVER

Areas Affected:
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet - 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 - Elbert/Central and East Douglas Counties Above 6000 Feet - Central and East Adams and Arapahoe Counties - North and Northeast Elbert County Below 6000 Feet/North Lincoln County - Southeast Elbert County Below 6000 Feet/South Lincoln County - Washington County
Effective: Mon, 10/20 2:34am Updated: Mon, 10/20 4:58pm Urgency: Expected
Expires: Mon, 10/20 4:00pm Severity:  Severe  Certainty: Likely

 
Details:
* AFFECTED AREA...Fire Weather Zones 216, 239, 240, 241, 245,
246, 247 and 249.

* TIMING...From 9 AM this morning to 6 PM MDT this evening.

* WINDS...Northwest 25 to 35 mph with gusts up to 55 mph.

* RELATIVE HUMIDITY...As low as 14 percent.

* IMPACTS...Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.

Information:
A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.