214 
WGUS55 KBOU 152208
FFWBOU
COC123-160115-
/O.NEW.KBOU.FF.W.0031.260815T2208Z-260816T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
408 PM MDT Sat Aug 15 2026

The National Weather Service in Denver has issued a

* Flash Flood Warning for...
  Northeastern Weld County in northeastern Colorado...

* Until 715 PM MDT.

* At 408 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 2 inches of rain
  have fallen. The expected rainfall rate is 1.5 to 3 inches in 1
  hour. Additional rainfall amounts of 1 to 1.5 inches are possible
  in the warned area. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flash flooding of small creeks and streams, gulches,
           roads, and poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Mainly rural areas of Northeastern Weld County.

This includes the following streams and drainages...
  Spring Creek, Twomile Creek, Horsetail Creek, Cottonwood Creek,
  Sidney Draw, George Creek and North Pawnee Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

Excessive runoff from this storm will cause flash flooding of small
creeks and streams, country roads, farmland along creeks, and other
low lying areas.

&&

LAT...LON 4098 10357 4090 10362 4087 10366 4079 10359
      4077 10361 4082 10387 4100 10376 4100 10357

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR

$$

20

483 
WGUS75 KBOU 152327
FFSBOU

Flash Flood Statement
National Weather Service Denver CO
527 PM MDT Sat Aug 15 2026

COC123-160115-
/O.CON.KBOU.FF.W.0031.000000T0000Z-260816T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Weld CO-
527 PM MDT Sat Aug 15 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT THIS
EVENING FOR NORTHEASTERN WELD COUNTY...

At 527 PM MDT, Trained weather spotters reported flash flooding 10
miles west of Westplains, with a significant amount of water running
across Highway 71. Between 1.5 and 3 inches of rain have fallen.
Flash flooding impacts will continue, but no additional rainfall is
expected.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Trained spotters reported.

IMPACT...Flash flooding of small creeks and streams, gulches, roads,
         and poor drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Mainly rural areas of Northeastern Weld County.

This includes the following streams and drainages...
  Spring Creek, Twomile Creek, Horsetail Creek, Cottonwood Creek,
  Sidney Draw, George Creek and North Pawnee Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life. Do not
drive through flooded areas.

Excessive runoff from this storm will cause flash flooding of small
creeks and streams, country roads, farmland along creeks, and other
low lying areas.

&&

LAT...LON 4098 10357 4090 10362 4087 10366 4079 10359
      4077 10361 4082 10387 4100 10376 4100 10357

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR

$$

20

824 
WGUS75 KBOU 160118
FFSBOU

Flash Flood Statement
National Weather Service Denver CO
718 PM MDT Sat Aug 15 2026

COC123-160128-
/O.EXP.KBOU.FF.W.0031.000000T0000Z-260816T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Weld CO-
718 PM MDT Sat Aug 15 2026

...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN WELD COUNTY...

The heavy rain has ended and flood waters have receded. Flooding is
no longer expected to pose a threat. Please continue to heed any
remaining closures.

&&

LAT...LON 4098 10357 4090 10362 4087 10366 4079 10359
      4077 10361 4082 10387 4100 10376 4100 10357

$$

20