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Home Return to list Areal Flood Advisory 0120 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-08-15 17:49:00
420
WGUS85 KBOU 152248
FLSBOU
Flood Advisory
National Weather Service Denver CO
448 PM MDT Sat Aug 15 2026
COC075-123-160145-
/O.NEW.KBOU.FA.Y.0120.260815T2248Z-260816T0145Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Logan CO-Weld CO-
448 PM MDT Sat Aug 15 2026
...FLOOD ADVISORY IN EFFECT UNTIL 745 PM MDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Northwestern Logan County in northeastern Colorado...
Northeastern Weld County in northeastern Colorado...
* WHEN...Until 745 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 448 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1.5 inches of rain
have fallen.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Westplains, Pawnee Pass, Logan Corners, Willard, North Sterling
Reservoir and Stoneham.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause minor flooding of
small creeks and streams, country roads, farmland along creeks, and
other low lying areas.
&&
LAT...LON 4052 10377 4070 10379 4071 10388 4072 10393
4082 10387 4077 10361 4079 10359 4087 10366
4090 10362 4091 10362 4100 10357 4100 10317
4067 10319 4052 10347
$$
20
Action: Cancelled Issued At: 2026-08-15 20:20:05
838
WGUS85 KBOU 160119
FLSBOU
Flood Advisory
National Weather Service Denver CO
719 PM MDT Sat Aug 15 2026
COC075-123-160129-
/O.CAN.KBOU.FA.Y.0120.000000T0000Z-260816T0145Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Logan CO-Weld CO-
719 PM MDT Sat Aug 15 2026
...FLOOD ADVISORY IS CANCELLED...
The Flood Advisory is cancelled for a portion of northeast Colorado,
including the following areas, northeastern Weld and western Logan
Counties.
The heavy rain has ended. Flooding is no longer expected to pose a
threat.
&&
LAT...LON 4100 10357 4100 10317 4067 10319 4052 10347
4052 10377 4070 10379 4071 10388 4072 10393
4082 10387 4077 10361 4079 10359 4087 10366
4090 10362 4091 10362
$$
20
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