Tomorrow | Weather | Tempe, Arizona

Active Weather Warnings
Thursday, September 17, 2026
Cloudy Weather
Day 97°
Night 79°
Precipitation 11 %
Wind 6 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 17, 2025)
Cloudy Weather

Day

100°

Night

79°

Wind

6 mph

Precipitation

14 %

Weather Alerts and Warnings for

Severe Future Possible

Flood Watch

Flood Watch issued September 16 at 12:45AM MST until September 16 at 11:00PM MST by NWS Phoenix AZ
Sep 16, 1:45 AM Sep 17, 12:00 AM
WHAT: Flash flooding caused by excessive rainfall will be
possible.

WHERE: A portion of south central Arizona, including all of
Maricopa County, Northern and Western Pinal County, and Southern
Gila County.

WHEN: Through this evening.

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

ADDITIONAL DETAILS:
- The combination of abundant moisture and a weather system moving
into the region will support rounds of showers and thunderstorms
today through this evening. Moderate to heavy rainfall with
rainfall rates in excess of 1-2 inches per hour is expected with
most storms. Some areas will see training of storms leading to
high rainfall accumulations.
- http://www.weather.gov/safety/flood
+ Read More
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.
Updated: Sep 16, 3:39 AM Source: NWS Alert