Lexington Weather

Lexington, Massachusetts, USA

77°F

7/13/2026 9:35pm

Lexington Conditions: Clear
Temperature: 77.4°F / 25.2°C
Dew Point: 65.5°F
Relative Humidity: 67%
Wind: Calm, 10-min avg: Calm, gust: 4 mph
Barometer: 30.02 in Rising Slowly
Visibility: 10 miles
Rain Today: 0.00 in

Southeast Middlesex County, MA - Heat Advisory
- SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - NWS Tucson Arizona

Flash Flood Warning issued July 13 at 4:54PM MST until July 13 at 6:45PM MST by NWS Tucson AZ

FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR NORTHEASTERN PIMA COUNTY

Areas Affected: Pima, AZ

Urgency: Immediate

Severity: Severe

Certainty: Likely

Alert Sent: Monday 4:54pm MST

Alert Effective: Monday 4:54pm MST

Alert Expires: Monday 6:45pm MST

Event Onset: Monday 4:54pm MST

Event Ends: Monday 6:45pm MST

Issued by: NWS Tucson AZ

Threats:

Flash Flood: RADAR INDICATED

Details:

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR NORTHEASTERN PIMA COUNTY...

At 454 PM MST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 0.5 and 1.5 inches of rain have
fallen. Additional rainfall amounts up to 0.5 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

Some locations that will experience flash flooding include...
Tucson, Catalina, Oro Valley, Marana, Davis-Monthan Air Force Base,
Casas Adobes, Drexel Heights, Flowing Wells, Tanque Verde, South
Tucson, Pascua Pueblo Yaqui Reservation, Tortolita, San Xavier
Community, Mount Lemmon/Summerhaven, Catalina Foothills, Catalina
State Park, Sabino Canyon Recreation Area, Tucson International
Airport, Tucson Mountain Park and Saguaro National Park West.

This includes the following highways...
Interstate 19 between mile markers 53 and 63. Route 86 between mile
markers 164 and 171. Route 77 between mile markers 70 and 86.
Interstate 10 between mile markers 238 and 268.

Information:

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.

Meta data:

ID: urn:oid:2.49.0.1.840.0.a693cd9b7ecb344ef176de2edc5f497b56947d72.001.1
Codes: AZC019
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a693cd9b7ecb344ef176de2edc5f497b56947d72.001.1

Flash Flood Warning issued July 13 at 4:07PM MST until July 13 at 6:45PM MST by NWS Tucson AZ

FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR EAST CENTRAL PIMA COUNTY

A FLASH FLOOD WARNING is in effect for this area until 6:45 PM MST. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order.

Areas Affected: Pima, AZ

Urgency: Immediate

Severity: Severe

Certainty: Likely

Alert Sent: Monday 4:07pm MST

Alert Effective: Monday 4:07pm MST

Alert Expires: Monday 6:45pm MST

Event Onset: Monday 4:07pm MST

Event Ends: Monday 6:45pm MST

Issued by: NWS Tucson AZ

Threats:

Flash Flood: RADAR INDICATED

Details:

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR EAST CENTRAL PIMA COUNTY...

At 407 PM MST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 2 inches of rain have
fallen, especially in the area of Houghton Rd north of Rita Ranch.
Additional rainfall amounts up to 1 inch 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...
Tucson, Davis-Monthan Air Force Base, Vail, Corona De Tucson,
Saguaro National Park East and Rita Ranch.

This includes the following highways...
Interstate 10 between mile markers 268 and 289. Route 83 between mile
markers 53 and 58.

This includes the following Flash Flood Prone Locations...
Harrison Rd at Pantano Wash, Old Spanish Trl at Rincon Creek,
Houghton Rd from I-10 & Sahuarita Rd, Escalante Rd at Atterbury Wash,
Andrada Rd east of Wentworth Rd, Camino Loma Alta at Rincon Creek,
Freeman Rd between Broadway and Old Spanish Trail, Old Spanish Trail
at Jeremy Wash and Calle Rinconada Rd from Andrada Rd to Sahuarita
Rd.

This includes the following streams and drainages...
Chico, Arroyo, Tanque Verde Wash, Rincon Creek, Coyote Wash,
Cienega Creek, Pantano Wash, Agua Verde Creek, Mescal Arroyo and
Santa Cruz River.