Lexington Weather

Lexington, Massachusetts, USA

65°F
8/29/2026 4:10am 
  • Lexington Conditions: Mostly cloudy
  • Temperature: 64.8°F / 18.2°CColder 0.9°F than last hour.
  • Dew Point: 54.3°FDecreased 1.6°Fsince last hour.
  • Relative Humidity: 69%Decreased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.06 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - NWS Tucson Arizona

    FLOOD WATCH  

Flood Watch issued August 28 at 1:58PM MST until August 31 at 5:00AM MST by NWS Tucson AZ

FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SUNDAY NIGHT

Areas Affected: Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon; Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven; Baboquivari Mountains including Kitt Peak

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Friday 1:58pm MST

Alert Effective: Friday 1:58pm MST

Alert Expires: Saturday 5:15am MST (expect updated alert by this time)

Event Onset: Saturday 11:00am MST

Event Ends: Monday 5:00am MST

Issued by: NWS Tucson AZ

Details: 
...FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SUNDAY NIGHT...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Tucson Metro Area, Southeast Pinal County, Tohono O'odham
Nation, Upper San Pedro River Valley Upper Santa Cruz River
Valley/Altar Valley, Baboquivari Mountains, Catalina and Rincon
Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains.

* WHEN...From Saturday morning through late Sunday night.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded. Flooding may occur in poor
drainage and urban areas.

* ADDITIONAL DETAILS...
- An increase in moisture will bring scattered thunderstorms
Saturday and Sunday. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 1-3 inches. Additional rainfall from the
previous day and overnight activity will result in faster
responses in normally dry washes, creeks and roadway dips.

- Http://www.weather.gov/safety/flood

Information: 
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.01dbcaa52aa6c21d9efeae0fd7ee9259df5d690f.001.1
Codes: AZZ502, AZZ503, AZZ504, AZZ505, AZZ506, AZZ507, AZZ513, AZZ514, AZZ515
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.01dbcaa52aa6c21d9efeae0fd7ee9259df5d690f.001.1