436 
WUUS55 KBOU 222221
SVRBOU
COC075-222300-
/O.NEW.KBOU.SV.W.0119.260622T2221Z-260622T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
421 PM MDT Mon Jun 22 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Central Logan County in northeastern Colorado...

* Until 500 PM MDT.

* At 421 PM MDT, a severe thunderstorm was located near North
  Sterling Reservoir, or 10 miles northwest of Sterling, moving
  southeast at 15 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...
  Sterling and Iliff.

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.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

&&

LAT...LON 4071 10340 4079 10309 4064 10295 4058 10319
      4060 10331
TIME...MOT...LOC 2220Z 326DEG 15KT 4075 10331

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Schlatter

737 
WWUS55 KBOU 222230
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
430 PM MDT Mon Jun 22 2026

COC075-222300-
/O.CON.KBOU.SV.W.0119.000000T0000Z-260622T2300Z/
Logan CO-
430 PM MDT Mon Jun 22 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 5 PM MDT FOR
CENTRAL LOGAN COUNTY...

At 430 PM MDT, a severe thunderstorm was located 5 miles south of
North Sterling Reservoir, or 8 miles northwest of Sterling, moving
southeast at 15 mph.

THIS IS A DESTRUCTIVE STORM FOR 5 MILES SOUTHWEST OF PADRONI.

HAZARD...Three inch hail and 60 mph wind gusts.

SOURCE...Trained spotters reported 3 inch diameter hail approximately
         5 miles southwest of Padroni at 423 PM.

IMPACT...People and animals outdoors will be severely injured. Expect
         shattered windows, extensive damage to roofs, siding, and
         vehicles.

Locations impacted include...
  Sterling and Iliff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm has produced destructive hail and is
capable of producing damaging winds.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

&&

LAT...LON 4071 10340 4079 10309 4064 10295 4058 10319
      4060 10331
TIME...MOT...LOC 2221Z 326DEG 15KT 4074 10331

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...3.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Schlatter

378 
WWUS55 KBOU 222253
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
453 PM MDT Mon Jun 22 2026

COC075-222303-
/O.EXP.KBOU.SV.W.0119.000000T0000Z-260622T2300Z/
Logan CO-
453 PM MDT Mon Jun 22 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 5 PM MDT FOR CENTRAL
LOGAN COUNTY...

The Severe Thunderstorm Warning that was previously in effect has
been reissued for Logan County and is in effect until 530 PM MDT.
Please refer to that bulletin for the latest severe weather
information.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT Monday
for a portion of northeast Colorado.

&&

LAT...LON 4071 10340 4079 10309 4064 10295 4058 10319
      4060 10331
TIME...MOT...LOC 2230Z 326DEG 15KT 4071 10328

$$

Schlatter