Active National Weather Service alert for Tucson, Arizona 85741: Extreme Heat Warning. Extreme Heat Warning issued August 23 at 11:45AM MST until August 29 at 8:00PM MST by NWS Tucson AZ Until Sat, 8:00 PM MST.
Thunderstorms may reach Tucson, Arizona 85741 soon

The official hourly forecast shows thunderstorms within the next two hours. Be ready to move into a substantial building or enclosed hard-topped vehicle.

MyUSA uses official NWS conditions and forecasts. This is not an exact ground-strike detector.
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Tucson, Arizona 85741 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Tucson, Arizona 85741. Always follow local warnings and emergency instructions.

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Safety guides

Weather status

Extreme Heat Warning

Extreme Heat Warning issued August 23 at 11:45AM MST until August 29 at 8:00PM MST by NWS Tucson AZ Expires Sat, 8:00 PM MST.

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What’s next

Hourly forecast

Tucson, Arizona 85741

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Tucson, Arizona 85741. Forecasts and alerts update from NOAA and the National Weather Service.

106°Mostly Sunny7% rain
105°Slight Chance Showers And Thunderstorms14% rain
103°Slight Chance Showers And Thunderstorms14% rain
97°Slight Chance Showers And Thunderstorms14% rain
94°Slight Chance Showers And Thunderstorms13% rain
92°Slight Chance Showers And Thunderstorms13% rain
90°Slight Chance Showers And Thunderstorms13% rain
88°Mostly Cloudy5% rain

Next 24 hours

Rain Timeline

Highest chance 14%

No meaningful precipitation is expected in the official hourly forecast.

7%None
14%Thunderstorms
14%Thunderstorms
14%Thunderstorms
13%Thunderstorms
13%Thunderstorms
13%Thunderstorms
5%None
5%None
5%None
4%None
4%None
4%None
2%None
2%None
2%None
1%None
1%None
1%None
3%None
3%None
3%None
5%None
5%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
107°81°

Slight Chance Showers And Thunderstorms

Precipitation
14%
Wind
NW 8 mph
Sunrise
5:54 AM
Sunset
7:01 PM

Mon

104°82°

Mostly Sunny

Precipitation
5%
Wind
W 2 to 10 mph
Sunrise
5:55 AM
Sunset
7:00 PM

Tue

108°85°

Sunny

Precipitation
1%
Wind
SW 2 to 8 mph
Sunrise
5:56 AM
Sunset
6:59 PM

Wed

109°86°

Sunny

Precipitation
2%
Wind
WSW 3 to 9 mph
Sunrise
5:56 AM
Sunset
6:58 PM

Thu

109°86°

Sunny

Precipitation
8%
Wind
WSW 3 to 10 mph
Sunrise
5:57 AM
Sunset
6:56 PM

Fri

109°85°

Sunny then Slight Chance Showers And Thunderstorms

Precipitation
13%
Wind
W 3 to 10 mph
Sunrise
5:58 AM
Sunset
6:55 PM

Sat

108°84°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Precipitation
20%
Wind
NNE 5 to 10 mph
Sunrise
5:58 AM
Sunset
6:54 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel105°F
Walking is not recommended now

Review the active Extreme Heat Warning before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.

WindNW7 mph
Best walk timeReview the active Extreme Heat Warning before leaving

MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.

Official EPA AirNowLocal air qualityTucson, Arizona 85741
View AQI +
More weather details
Wind gustsNot reported
Rain now7%next hour
Humidity18%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure
Visibility
Peak rain chance14%
Dew point53°F
Active alerts1

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Active NWS alerts

Weather safety ↗

Severe · Expected

Extreme Heat Warning

Applies to: Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; 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 Gila River and Aravaipa Valleys including Clifton/SaffordIssued by: NWS Tucson AZExtreme Heat Warning issued August 23 at 11:45AM MST until August 29 at 8:00PM MST by NWS Tucson AZ
Alert details* WHAT...Dangerously hot conditions with high temperatures ranging between 103 to 111 degrees and low temperatures 79 to 85 degrees. Major HeatRisk is expected through Tuesday and then widespread Major to Extreme HeatRisk Wednesday through Saturday. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Safety instructionsTo reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water.
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