Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 211718

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1118 AM MDT Wed Jun 21 2017

Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1118 AM MDT Wed Jun 21 2017

This hazardous weather outlook is for northeast and north central

.DAY ONE...This Afternoon and Tonight

Today will be another day of near record heat, with temperatures
similar to yesterday. Isolated thunderstorms will develop over the
mountains and spread onto the plains in the late afternoon and
evening. The storms are expected to produce little rainfall. The
main threat with the thunderstorms will be gusty winds to 40 mph
and lightning. The fire danger will be elevated today, especially
north towards the Wyoming border where gusty winds will be

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A weather pattern change starting on Thursday will bring relief
to the warmth, with colling trend continuing into the weekend.
High temperatures will be 10 to 15 degrees cooler than normal by
Saturday. A cold front Thursday may help produce a slight risk of
severe thunderstorms over the eastern plains by Thursday
afternoon and evening, with large hail and damaging winds

Showers and storms will then focus more over the higher terrain
through the weekend. Drier and warmer weather will return to the
region by early next week.


Spotter activation will not be needed today or tonight.


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