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Home Return to list Severe Thunderstorm Warning 0099 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-06-20 21:03:37
228
WUUS55 KBOU 210203
SVRBOU
COC123-210230-
/O.NEW.KBOU.SV.W.0099.260621T0203Z-260621T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
803 PM MDT Sat Jun 20 2026
The National Weather Service in Denver has issued a
* Severe Thunderstorm Warning for...
Northeastern Weld County in northeastern Colorado...
* Until 830 PM MDT.
* At 803 PM MDT, a severe thunderstorm was located 10 miles northeast
of Pawnee Buttes, or 39 miles northwest of Sterling, moving east at
25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
* Locations impacted include...
Mainly rural areas of Northeastern Weld County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4079 10390 4100 10388 4100 10357 4092 10357
4077 10358
TIME...MOT...LOC 0203Z 277DEG 22KT 4091 10383
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Continued Issued At: 2026-06-20 21:12:37
444
WWUS55 KBOU 210212
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
812 PM MDT Sat Jun 20 2026
COC123-210230-
/O.CON.KBOU.SV.W.0099.000000T0000Z-260621T0230Z/
Weld CO-
812 PM MDT Sat Jun 20 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR
NORTHEASTERN WELD COUNTY...
At 812 PM MDT, a severe thunderstorm was located 13 miles northeast
of Pawnee Buttes, or 35 miles northwest of Sterling, moving east at
25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Mainly rural areas of Northeastern Weld County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4079 10386 4100 10383 4100 10357 4086 10357
4077 10358
TIME...MOT...LOC 0203Z 277DEG 22KT 4091 10383
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Expired Issued At: 2026-06-20 21:28:08
778
WWUS55 KBOU 210227
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
827 PM MDT Sat Jun 20 2026
COC123-210237-
/O.EXP.KBOU.SV.W.0099.000000T0000Z-260621T0230Z/
Weld CO-
827 PM MDT Sat Jun 20 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 830 PM MDT FOR
NORTHEASTERN WELD COUNTY...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, small
hail, gusty winds, and heavy rain are still possible with this
thunderstorm.
&&
LAT...LON 4079 10386 4100 10383 4100 10357 4086 10357
4077 10358
TIME...MOT...LOC 0212Z 277DEG 22KT 4090 10376
$$
63
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