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.
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Updated: @ 26-Aug-2026 9:36pm - next update at 12:00am   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 94.6, Max: 110.9, Min: 79.1 94.6°F
Temp Trend Colder 2.0°F than last hour.

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Feels like: 100.2°F

24-hr difference
2°FWarmer 2.0°F than yesterday at this time.
  Today Yesterday
High: 110.9°F
2:17pm
109.8°F
1:56pm
Low: 79.1°F
5:58am
79°F
6:25am
Fire
Davis VP2 Status
ICN:1 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 82.8°F
Indoor Humidity: 40 %
 Wind from ENE ENE
0.6
Gust:
0 mph
0 Bft - Calm
Max Gust: 13 mph  5:22 PM
1Hr Average: 0.3 mph
Max Gust
This Month:
32.0 mph
on  Aug 19
Wind Run: 26.12 miles
Wind Year: 8669.06 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: 28 % Increased 2.0% since last hour.
High Humidity
Today:
43%
at 5:48 AM
Low Humidity
Today:
16%
at 4:39 PM
Barometer: 29.707 inHg Rising 0.02  inHg/hr
Baro Trend: Rising slowly
Dew Point: 56.4°F Increased 0.3°F since last hour.
Wet Bulb: 71.1
Sunrise: 5:55am
Sunset: 6:57pm
Moonset: 4:23am
Moonrise: 5:50pm
Full Moon: Thu, 27-Aug-2026 9:19pm MST
New moon: Thu, 10-Sep-2026 8:28pm MST
Sunlight:
Today:13 h 0 m 34 s
(Noon)
graph
(Midnight)
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
98%
Illuminated
UV Summary/Forecast Solar Summary Air Quality
High Today:   10.6 @ 12:12 PM
Aug-27

10.3
Aug-28

10.3
Aug-29

10.3
High Today:   1097 @ 12:38 PM
Today: 06:38 Hrs
Month: 193:47 Hrs
N/A
No Data
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
99°F
Average Low
75°F
Record High
108°F (2011)
Record Low
63°F (1906)
 NWS Weather Forecast  - Outlook: Tonight & Thursday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 84 °F
NWS forecast: Partly cloudy, with a low around 84. Heat index values as high as 102. East northeast wind 5 to 8 mph.
Davis VP+ forecast: Partly cloudy. Lows 77 to 83. West wind 5 to 10 mph becoming southeast after midnight.
 
Thursday

Thursday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms

Hi 108 °F
NWS forecast: A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 108. Heat index values as high as 106. South wind 2 to 8 mph. Chance of precipitation is 20%.
NWS Short Term Weather Forecast
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy

Lo 84 °F
Friday

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

Hi 108 °F
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 82 °F
Saturday

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

Hi 104 °F
Saturday
Night
Saturday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Lo 79 °F
Sunday

Sunday: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely

Hi 99 °F
Sunday
Night
Sunday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Lo 75 °F
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