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Home Return to list Areal Flood Advisory 0116 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-08-15 14:58:55
345
WGUS85 KBOU 151958
FLSBOU
Flood Advisory
National Weather Service Denver CO
158 PM MDT Sat Aug 15 2026
COC035-152300-
/O.NEW.KBOU.FA.Y.0116.260815T1958Z-260815T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas CO-
158 PM MDT Sat Aug 15 2026
...FLOOD ADVISORY IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Northeastern Douglas County in northeastern Colorado...
* WHEN...Until 500 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 158 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 0.5 inches of rain have
fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Northwestern Castle Rock, Parker, Lone Tree, Castle Pines, The
Pinery and Sedalia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, highways and underpasses. Additionally, country
roads, farmlands along the banks of creeks, and other low lying areas
are subject to flooding.
&&
LAT...LON 3957 10466 3944 10476 3942 10485 3936 10490
3939 10498 3944 10498 3951 10492 3957 10491
$$
20
Action: Continued Issued At: 2026-08-15 16:31:58
100
WGUS85 KBOU 152131
FLSBOU
Flood Advisory
National Weather Service Denver CO
331 PM MDT Sat Aug 15 2026
COC035-152300-
/O.CON.KBOU.FA.Y.0116.000000T0000Z-260815T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas CO-
331 PM MDT Sat Aug 15 2026
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Northeastern Douglas County in northeastern Colorado...
* WHEN...Until 500 PM MDT.
* IMPACTS...Water over roadways.
* ADDITIONAL DETAILS...
- At 329 PM MDT, Local law enforcement reported flooding in the
Meridian neighborhood near C-470 and I-25 due to thunderstorms.
Between 1 and 2 inches of rain have fallen.
- Additional rainfall amounts up to 0.5 inches are expected over
the area. Additional flooding will remain a threat.
- Some locations that will experience flooding include...
Northwestern Castle Rock, Parker, Lone Tree, Castle Pines, The
Pinery and Sedalia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause minor flooding of
small creeks and streams, highways, streets, underpasses, drainage
areas and other low lying spots.
&&
LAT...LON 3957 10466 3944 10476 3942 10485 3936 10490
3939 10498 3944 10498 3951 10492 3957 10491
$$
20
Action: Expired Issued At: 2026-08-15 17:55:00
498
WGUS85 KBOU 152254
FLSBOU
Flood Advisory
National Weather Service Denver CO
454 PM MDT Sat Aug 15 2026
COC035-152304-
/O.EXP.KBOU.FA.Y.0116.000000T0000Z-260815T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas CO-
454 PM MDT Sat Aug 15 2026
...FLOOD ADVISORY WILL EXPIRE AT 5 PM MDT THIS AFTERNOON...
The Flood Advisory will expire at 5 PM MDT this afternoon for
northeastern Douglas County.
The heavy rain has ended. Flood waters have receded. 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, north central, and northeast Colorado...
&&
LAT...LON 3957 10466 3944 10476 3942 10485 3936 10490
3939 10498 3944 10498 3951 10492 3957 10491
$$
20
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