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Elev 7746 ft, 32.45 °N, 110.76 °W

Mount Lemmon, AZ Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Mount Lemmon, AZ
Elevation: 7746ft
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Active Weather Alerts

Flash Flood Warning
Issued: 9:37 PM Aug. 25, 2025 – National Weather Service
The National Weather Service in Tucson has issued a

* Flash Flood Warning for...
South Central Pima County in southeastern Arizona...

* Until 530 PM MST.

* At 236 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

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

SOURCE...Radar indicated.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
Mainly rural areas of South Central Pima County.

This includes Route 286 between mile markers 8 and 29.

This includes the following Flash Flood Prone Locations...
Arivaca Rd from Arivaca Junction & HWY 286.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

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.

&&


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

Flood Watch
Issued: 5:01 PM Aug. 25, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MST THIS EVENING...

* WHAT...Scattered showers and thunderstorms will be developing
early this afternoon across eastern Pima and Santa Cruz counties
and push to the west northwest across the lower deserts of Pima
and south-central Pinal county. Some of these thunderstorms will
be capable of producing very heavy rain in a short period of time
leading to the potential of flash flooding.

* WHERE...A portion of Southeast Arizona, including the following
areas, Baboquivari Mountains, Catalina and Rincon Mountains, South
Central Pinal County, Tohono O'odham Nation, Tucson Metro Area,
Upper Santa Cruz River Valley/Altar Valley and Western Pima County.

* WHEN...Until 7 PM MST this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

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