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Hazardous Weather Outlook for Denver/Boulder, CO
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563 FLUS45 KBOU 221707 HWOBOU Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1107 AM MDT Thu May 22 2025 COZ030>051-231715- 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 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- 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 County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Logan County-Washington County-Sedgwick County-Phillips County- 1107 AM MDT Thu May 22 2025 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Isolated showers and thunderstorms will be possible today, spreading from the mountains this afternoon onto the plains by late afternoon or evening. Wind gusts to 45 mph and mainly just light rain or sprinkles will be possible from the showers and storms. However, there is a very small threat than a lone storm or two on the plains could become strong with hail and frequent lightning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday A couple severe thunderstorms will be possible on the eastern plains Friday afternoon and early evening, mainly along and east of a Sterling to Akron line. Storm coverage and intensity will see an increase by Saturday, with a few severe storms possible along the Front Range and I-25 Corridor. Scattered to numerous showers and storms can then be expected through Sunday, but cooler weather will likely limit instability and any severe storm threat. Memorial day should see a little lower shower and storm coverage, but temperatures remaining a few degrees below normal. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. $$ |
Previous Hazardous Weather Outlooks may be found at
NWS Denver/Boulder, CO (BOU) Office Hazardous Weather Outlooks.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)
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NWS Information Parsing Script by Ken True at Saratoga Weather - WFO and Products Scripts by SE Lincoln Weather.
Mapping by Curly at Michiana Weather and by Tom at My Mishawaka Weather.