Extreme Heat Warning EXTREME HEAT WARNING - Pima County  - Tucson/Green Valley

NWS Tucson, Arizona Regional Radar WU South West Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
spacer
Updated: @ 25-Aug-2026 9:06pm - next update at 12:00am   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 93.5, Max: 109.8, Min: 79.0 93.5°F
Temp Trend Colder 3.8°F than last hour.

---

Feels like: 98.1°F

24-hr difference
2.7°FWarmer 2.7°F than yesterday at this time.
  Today Yesterday
High: 109.8°F
1:56pm
105.4°F
1:05pm
Low: 79°F
6:25am
78.1°F
6:26am
Fire
Davis VP2 Status
ICN:1 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 84°F
Indoor Humidity: 43 %
 Calm E
0
Gust:
0 mph
0 Bft - Calm
Max Gust: 14 mph  2:14 PM
1Hr Average: 0.2 mph
Max Gust
This Month:
32.0 mph
on  Aug 19
Wind Run: 25.15 miles
Wind Year: 8642.38 miles
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 1.71 in
Season Total: 5.05 in
Last Rain
Time/Date:
8/19/2026
at 7:25 PM
35 rain days in 2026
7 rain days in August
Humidity & Barometer Almanac Sun/Moon
Humidity: 27 % Increased 5.0% since last hour.
High Humidity
Today:
52%
at 6:25 AM
Low Humidity
Today:
18%
at 1:55 PM
Barometer: 29.691 inHg Rising 0.03  inHg/hr
Baro Trend: Rising slowly
Dew Point: 54.5°F Increased 2.3°F since last hour.
Wet Bulb: 69.9
Sunrise: 5:54am
Sunset: 6:58pm
Moonset: 3:23am
Moonrise: 5:14pm
Full Moon: Thu, 27-Aug-2026 9:19pm MST
New moon: Thu, 10-Sep-2026 8:28pm MST
Sunlight:
Today:13 h 2 m 25 s
(Noon)
graph
(Midnight)
Waxing Gibbous
Waxing Gibbous, Moon at 12 days in cycle
95%
Illuminated
UV Summary/Forecast Solar Summary Air Quality
High Today:   9.8 @ 12:14 PM
Aug-26

10.6
Aug-27

10.4
Aug-28

10.4
High Today:   963 @ 1:47 PM
Today: 06:58 Hrs
Month: 187:09 Hrs
64
  Moderate
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
99°F
Average Low
75°F
Record High
107°F (2020)
Record Low
60°F (1900)
 NWS Weather Forecast  - Outlook: Tonight & Wednesday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 84 °F
NWS forecast: Partly cloudy, with a low around 84. Northeast wind 5 to 9 mph.
Davis VP+ forecast: Partly cloudy. Lows 77 to 83. Northwest wind 5 to 10 mph becoming south after midnight.
 
Wednesday

Wednesday: Sunny
Sunny

Hi 110 °F
NWS forecast: Sunny, with a high near 110. Heat index values as high as 107. West southwest wind 3 to 8 mph.
NWS Short Term Weather Forecast
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy

Lo 84 °F
Thursday

Thursday: Sunny
Sunny

Hi 110 °F
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy

Lo 86 °F
Friday

Friday: Sunny then Chance Showers And Thunderstorms
Sunny then Chance Showers And T-Storms

Hi 109 °F
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 82 °F
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 105 °F
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 81 °F
Animated icons courtesy of www.meteotreviglio.com.