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Home Return to list Severe Thunderstorm Warning 0111 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-06-21 20:44:40
084
WUUS55 KBOU 220144
SVRBOU
COC075-095-220215-
/O.NEW.KBOU.SV.W.0111.260622T0144Z-260622T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
744 PM MDT Sun Jun 21 2026
The National Weather Service in Denver has issued a
* Severe Thunderstorm Warning for...
Southeastern Logan County in northeastern Colorado...
Southwestern Phillips County in northeastern Colorado...
* Until 815 PM MDT.
* At 744 PM MDT, a severe thunderstorm was located near St
Petersburg, or 21 miles east of Sterling, moving east at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Paoli, Highland Center and St Petersburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4044 10292 4063 10293 4063 10243 4044 10244
TIME...MOT...LOC 0144Z 267DEG 20KT 4052 10282
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Continued Issued At: 2026-06-21 20:57:11
384
WWUS55 KBOU 220156
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
756 PM MDT Sun Jun 21 2026
COC075-095-220215-
/O.CON.KBOU.SV.W.0111.000000T0000Z-260622T0215Z/
Logan CO-Phillips CO-
756 PM MDT Sun Jun 21 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT FOR
SOUTHEASTERN LOGAN AND SOUTHWESTERN PHILLIPS COUNTIES...
At 756 PM MDT, a severe thunderstorm was located 6 miles southeast of
St Petersburg, or 22 miles west of Holyoke, moving east at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Paoli, Highland Center and St Petersburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4044 10285 4063 10285 4063 10243 4044 10244
TIME...MOT...LOC 0144Z 267DEG 20KT 4052 10281
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Continued Issued At: 2026-06-21 21:04:11
691
WWUS55 KBOU 220203
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
803 PM MDT Sun Jun 21 2026
COC075-095-220215-
/O.CON.KBOU.SV.W.0111.000000T0000Z-260622T0215Z/
Logan CO-Phillips CO-
803 PM MDT Sun Jun 21 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT FOR
SOUTHEASTERN LOGAN AND SOUTHWESTERN PHILLIPS COUNTIES...
At 803 PM MDT, a severe thunderstorm was located 4 miles west of
Highland Center, or 20 miles west of Holyoke, moving east at 25 mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Paoli and Highland Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4044 10282 4063 10280 4063 10243 4044 10244
TIME...MOT...LOC 0156Z 267DEG 20KT 4052 10272
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Expired Issued At: 2026-06-21 21:18:11 187 WWUS55 KBOU 220217 SVSBOU Severe Weather Statement National Weather Service Denver CO 817 PM MDT Sun Jun 21 2026 COC075-095-220227- /O.EXP.KBOU.SV.W.0111.000000T0000Z-260622T0215Z/ Logan CO-Phillips CO- 817 PM MDT Sun Jun 21 2026 ...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR SOUTHEASTERN LOGAN COUNTY. The Severe Thunderstorm Warning that was previously in effect has been reissued for southwestern Phillips County and is in effect until 845 PM MDT. Please refer to that bulletin for the latest severe weather information. && LAT...LON 4044 10282 4063 10280 4063 10243 4044 10244 TIME...MOT...LOC 0203Z 267DEG 20KT 4052 10267 $$ 63 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||