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Elev 335 ft, 34.03 °N, 117.31 °W

Grand Terrace, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Grand Terrace, CA
Elevation: 335ft
Nearby Weather Stations

Active Weather Alerts

Flash Flood Warning
Issued: 12:03 AM Aug. 27, 2025 – National Weather Service
The National Weather Service in Las Vegas has issued a

* Flash Flood Warning for...
South Central Inyo County in south central California...
San Bernardino County in southern California...

* Until 815 PM PDT.

* At 503 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.

HAZARD...Life-threatening flash flooding. Thunderstorms
producing flash flooding.

SOURCE...Radar.

IMPACT...Life-threatening flash flooding of low-water
crossings, creeks, normally dry washes and roads.

* Some locations that will experience flash flooding include...
Stovepipe Wells, Shoshone, Homewood Canyon-Valley Wells, Panamint
Springs and Tecopa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&


FLASH FLOOD...RADAR INDICATED;
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

Flood Advisory
Issued: 11:50 PM Aug. 26, 2025 – National Weather Service
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 601 PM PDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...A portion of Southwest California, including the following
county, San Bernardino.

* WHEN...Until 601 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry arroyos.

* ADDITIONAL DETAILS...
- At 450 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.25 and 0.75 inches of
rain have fallen.
- Additional rainfall amounts up to 0.25 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Victorville, Adelanto, El Mirage, Helendale and Oro Grande.
- https://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&



Flood Advisory
Issued: 9:43 PM Aug. 26, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 545 PM PDT THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...A portion of southern California, including the following
counties, Riverside and San Bernardino.

* WHEN...Until 545 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
- At 243 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 0.75 inches of rain have
fallen.
- Some locations that will experience flooding include...
mainly rural areas of Riverside and San Bernardino Counties
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&



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