862 
WGUS55 KBOU 142331
FFWBOU
COC123-150230-
/O.NEW.KBOU.FF.W.0027.260814T2331Z-260815T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
531 PM MDT Fri Aug 14 2026

The National Weather Service in Denver has issued a

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

* Until 830 PM MDT.

* At 531 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 0.5 and 1.5 inches of
  rain have fallen. Additional rainfall amounts up 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...
  Grover and Hereford.

This includes the following streams and drainages...
  Owl Creek, Little Crow Creek, Wildhorse Creek, West Fork Willow
  Creek, Howard Creek, North Fork Geary Creek, Robinson Creek, Little
  Owl Creek, Coal Creek, Crow Creek, Little Simpson Creek, Willow
  Creek, Geary Creek, Sand Creek and Simpson Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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 4100 10464 4079 10478 4075 10446 4100 10395

FLASH FLOOD...RADAR INDICATED

$$

09

153 
WGUS75 KBOU 150130
FFSBOU

Flash Flood Statement
National Weather Service Denver CO
730 PM MDT Fri Aug 14 2026

COC123-150230-
/O.CON.KBOU.FF.W.0027.000000T0000Z-260815T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Weld CO-
730 PM MDT Fri Aug 14 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM MDT THIS
EVENING FOR NORTHWESTERN WELD COUNTY...

At 730 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 0.5 and 3.5 inches of rain have
fallen. Additional rainfall amounts up to 0.5 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...
  Grover and Hereford.

This includes the following streams and drainages...
  Owl Creek, Little Crow Creek, Wildhorse Creek, West Fork Willow
  Creek, Howard Creek, North Fork Geary Creek, Robinson Creek, Little
  Owl Creek, Coal Creek, Crow Creek, Little Simpson Creek, Willow
  Creek, Geary Creek, Sand Creek and Simpson Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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 4100 10464 4079 10478 4075 10446 4100 10395

FLASH FLOOD...RADAR INDICATED

$$

09

853 
WGUS75 KBOU 150159
FFSBOU

Flash Flood Statement
National Weather Service Denver CO
759 PM MDT Fri Aug 14 2026

COC123-150209-
/O.CAN.KBOU.FF.W.0027.000000T0000Z-260815T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Weld CO-
759 PM MDT Fri Aug 14 2026

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN WELD COUNTY...

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

A Flood Watch remains in effect until 1000 PM MDT for portions of
central, east central, and northeast Colorado.

&&

LAT...LON 4100 10464 4079 10478 4075 10446 4100 10395

$$

09