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: @ 02-Aug-2026 12:50pm - next update at 12:55pm   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 105.4, Max: 105.4, Min: 90.5 105.4°F
Temp Trend Warmer 4.3°F than last hour.

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Feels like: 113.2°F

24-hr difference
0.8°FWarmer 0.8°F than yesterday at this time.
  Today Yesterday
High: 105.4°F
12:49pm
112.1°F
2:21pm
Low: 90.5°F
1:13am
85.1°F
4:41am
Fire
Davis VP2 Status
ICN:0 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 82.7°F
Indoor Humidity: 44 %
 Wind from SW SW
1.4
Gust:
2 mph
1 Bft - Light Air
Max Gust: 14 mph  5:29 AM
1Hr Average: 1.5 mph
Max Gust
This Month:
14.0 mph
on  Aug 1
Wind Run: 24.59 miles
Wind Year: 7768.65 miles
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0 in
Season Total: 3.34 in
Last Rain
Time/Date:
7/28/2026
at 2:49 AM
28 rain days in 2026
4 days since last rain
Humidity & Barometer Almanac Sun/Moon
Humidity: 23 % Decreased 7.0% since last hour.
High Humidity
Today:
35%
at 6:32 AM
Low Humidity
Today:
23%
at 12:49 PM
Barometer: 29.67 inHg Falling 0.02  inHg/hr
Baro Trend: Falling slowly
Dew Point: 60°F Decreased 4.0°F since last hour.
Wet Bulb: 76.1
Sunrise: 5:39am
Sunset: 7:21pm
Moonset: 9:28am
Moonrise: 9:13pm
Full Moon: Wed, 29-Jul-2026 7:36am MST
New moon: Wed, 12-Aug-2026 10:37am MST
Sunlight:
Today:13 h 41 m 23 s
(Noon)
graph
(Midnight)
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
85%
Illuminated
Current UV Index Current Solar Energy Air Quality
12.2
Sunburn in
9 Minutes
Highest:
12:42 PM
12.3
1127 W/m2
100 %
W/m2 SI
Highest:
12:24 PM
1296
54
  Moderate
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
99°F
Average Low
76°F
Record High
110°F (1918)
Record Low
59°F (1917)
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 110 °F
NWS forecast: A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 110. Heat index values as high as 109. Northwest wind around 9 mph. Chance of precipitation is 20%.
Davis VP+ forecast: Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 103 to 109. Northwest wind 5 to 10 mph.
 
Tonight

Tonight: Patchy Blowing Dust
Patchy Blowing Dust

Lo 83 °F
NWS forecast: Patchy blowing dust and a slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 83. Heat index values as high as 108. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.
NWS Short Term Weather Forecast
Monday

Monday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms

Hi 107 °F
Monday
Night
Monday Night: Patchy Blowing Dust then Mostly Cloudy
Patchy Blowing Dust then Mostly Cloudy

Lo 79 °F
Tuesday

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

Hi 104 °F
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy

Lo 78 °F
Wednesday

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

Hi 102 °F
Wednesday
Night
Wednesday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy

Lo 78 °F
Thursday

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

Hi 104 °F
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