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Home Return to list Flood Watch 0001 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2025-05-30 12:35:18
559
WGUS65 KBOU 301735
FFABOU
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Denver CO
1135 AM MDT Fri May 30 2025
...The National Weather Service in Denver has issued a Flood Watch
for the following rivers in Colorado...
Colorado River above Grand Lake affecting Grand County.
.Heavy rain Monday evening into Tuesday Morning may fall on a primed
snowpack leading to the melt increasing. Flows in rivers may
increase quickly and reach critical levels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you are in the watch area, remain alert to possible flooding.
Additional information is available at www.weather.gov.
&&
COZ032-033-312345-
/O.NEW.KBOU.FL.A.0001.250602T2000Z-250604T0000Z/
/BAKC2.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1135 AM MDT Fri May 30 2025
...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON TO TUESDAY EVENING...
* WHAT...Flooding is possible.
* WHERE...Colorado River above Grand Lake.
* WHEN...From Monday afternoon to Tuesday evening.
* IMPACTS...At 8.0 feet, Considerable lowland flooding occurs with
trails and foot bridges along and crossing the river flooded.
* ADDITIONAL DETAILS...
- At 11:15 AM MDT Friday the stage was 6.5 feet.
- Forecast...Flood stage may be reached late Monday evening.
- Flood stage is 8.0 feet.
&&
LAT...LON 4040 10587 4030 10587 4029 10586 4027 10587
4022 10588 4022 10586 4023 10585 4026 10585
4026 10584 4033 10585 4040 10584
$$
as
Action: Continued Issued At: 2025-05-31 14:54:25
015
WGUS65 KBOU 311954
FFABOU
Flood Watch
National Weather Service Denver CO
154 PM MDT Sat May 31 2025
...Flood Watch continues for the following river...
Colorado River above Grand Lake affecting Grand County.
.Heavy rain Monday afternoon into Tuesday morning may fall on a
primed snowpack leading to additional runoff. Flows in rivers may
increase quickly and produce minor flooding.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you are in the watch area, remain alert to possible flooding.
Additional information is available at www.weather.gov.
&&
COZ032-033-020000-
/O.CON.KBOU.FL.A.0001.250602T2000Z-250604T0000Z/
/BAKC2.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.UU/
154 PM MDT Sat May 31 2025
...FLOOD WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON TO TUESDAY
EVENING...
* WHAT...Flooding is possible.
* WHERE...Colorado River above Grand Lake.
* WHEN...From Monday afternoon to Tuesday evening.
* IMPACTS...At 8.0 feet, Considerable lowland flooding occurs with
trails and foot bridges along and crossing the river flooded.
* ADDITIONAL DETAILS...
- At 1:15 PM MDT Saturday the stage was 6.6 feet.
- Forecast...Flood stage may be reached Monday evening.
- Flood stage is 8.0 feet.
&&
LAT...LON 4040 10587 4030 10587 4029 10586 4027 10587
4022 10588 4022 10586 4023 10585 4026 10585
4026 10584 4033 10585 4040 10584
$$
Ideker
Action: Time Extended Issued At: 2025-06-01 13:59:15
438
WGUS65 KBOU 011858
FFABOU
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Denver CO
1258 PM MDT Sun Jun 1 2025
...The Flood Watch continues for the following rivers in Colorado...
Colorado River above Grand Lake affecting Grand and Summit
Counties Below 9000 Feet and South and East Jackson/Larimer/North
and Northeast Grand/Northwest Boulder Counties Above 9000 Feet
zones.
.Heavy rain may fall on a deep primed snowpack leading to the melt
increasing. Flows in rivers may increase quickly and reach critical
levels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you are in the watch area, remain alert to possible flooding.
Additional information is available at www.weather.gov.
&&
COZ032-033-020700-
/O.EXT.KBOU.FL.A.0001.250603T0233Z-250603T2300Z/
/BAKC2.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1258 PM MDT Sun Jun 1 2025
...FLOOD WATCH NOW IN EFFECT FROM MONDAY EVENING TO TUESDAY
AFTERNOON...
* WHAT...Flooding is possible.
* WHERE...Colorado River above Grand Lake.
* WHEN...From Monday evening to Tuesday afternoon.
* IMPACTS...At 7.7 feet, Approaches to foot bridges and trails along
and crossing the river are flooded.
At 8.0 feet, Considerable lowland flooding occurs with trails and
foot bridges along and crossing the river flooded.
* ADDITIONAL DETAILS...
- At 12:30 PM MDT Sunday the stage was 6.8 feet.
- Forecast...Flood stage may be reached tomorrow evening.
- Flood stage is 8.0 feet.
&&
LAT...LON 4040 10587 4030 10587 4029 10586 4027 10587
4022 10588 4022 10586 4023 10585 4026 10585
4026 10584 4033 10585 4040 10584
$$
RPK
Action: Cancelled Issued At: 2025-06-02 13:36:23
382
WGUS65 KBOU 021835
FFABOU
Flood Watch
National Weather Service Denver CO
1235 PM MDT Mon Jun 2 2025
...Flood Watch continues for the following river...
Colorado River above Grand Lake affecting Grand County.
COZ032-033-021945-
/O.CAN.KBOU.FL.A.0001.250603T0233Z-250602T1835Z/
/BAKC2.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1235 PM MDT Mon Jun 2 2025
...FLOOD WATCH HAS BEEN REPLACED WITH A RIVER FLOOD ADVISORY...
The Flood Watch is cancelled for
the Colorado River above Grand Lake
and has been replaced with a Flood Advisory.
* ADDITIONAL DETAILS...
- At 12:00 PM MDT Monday the stage was 6.8 feet.
- Forecast...Flood stage may be reached based on the latest
forecast information.
&&
LAT...LON 4040 10587 4030 10587 4029 10586 4027 10587
4022 10588 4022 10586 4023 10585 4026 10585
4026 10584 4033 10585 4040 10584
$$
as
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