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: @ 25-Jul-2026 12:55pm - next update at 1:00pm   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 109.5, Max: 109.5, Min: 83.9 109.5°F
Temp Trend Warmer 2.9°F than last hour.

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Feels like: 117.9°F

24-hr difference
-1.1°FColder 1.1°F than yesterday at this time.
  Today Yesterday
High: 109.5°F
12:54pm
113.2°F
3:42pm
Low: 83.9°F
5:58am
83.9°F
5:45am
Fire
Davis VP2 Status
ICN:0 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 82.8°F
Indoor Humidity: 46 %
 Wind from W W
3.8
Gust:
6 mph
1 Bft - Light Breeze
Max Gust: 10.4 mph  12:47 PM
1Hr Average: 2.6 mph
Max Gust
This Month:
29.0 mph
on  Jul 13
Wind Run: 12.25 miles
Wind Year: 7443.61 miles
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.45 in
Season Total: 3.11 in
Last Rain
Time/Date:
7/20/2026
at 10:20 PM
27 rain days in 2026
6 rain days in July
Humidity & Barometer Almanac Sun/Moon
Humidity: 21 % Decreased 2.0% since last hour.
High Humidity
Today:
46%
at 6:01 AM
Low Humidity
Today:
21%
at 12:33 PM
Barometer: 29.697 inHg Falling 0.03  inHg/hr
Baro Trend: Falling slowly
Dew Point: 60.9°F Decreased 0.1°F since last hour.
Wet Bulb: 77.6
Sunrise: 5:34am
Sunset: 7:27pm
Moonset: 1:49am
Moonrise: 4:06pm
Full Moon: Wed, 29-Jul-2026 7:36am MST
New moon: Wed, 12-Aug-2026 10:37am MST
Sunlight:
Today:13 h 52 m 36 s
(Noon)
graph
(Midnight)
Waxing Gibbous
Waxing Gibbous, Moon at 11 days in cycle
85%
Illuminated
Current UV Index Current Solar Energy Air Quality
11.2
Sunburn in
10 Minutes
Highest:
12:29 PM
12.8
1004 W/m2
95 %
W/m2 SI
Highest:
12:29 PM
1229
50
  Good
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
99°F
Average Low
77°F
Record High
112°F (2023)
Record Low
65°F (1913)
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Patchy Blowing Dust
Patchy Blowing Dust

Hi 110 °F
NWS forecast: Patchy blowing dust between 4pm and 5pm, then patchy blowing dust and a chance of showers and thunderstorms. Sunny, with a high near 110. Heat index values as high as 111. Northwest wind around 9 mph. Chance of precipitation is 40%.
Davis VP+ forecast: Mostly sunny. Patchy blowing dust. Highs 104 to 110. Northwest wind 5 to 10 mph.
 
Tonight

Tonight: Patchy Blowing Dust then Mostly Cloudy
Patchy Blowing Dust then Mostly Cloudy

Lo 83 °F
NWS forecast: Patchy blowing dust and a chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 83. Heat index values as high as 110. Southeast wind 5 to 9 mph. Chance of precipitation is 40%.
NWS Short Term Weather Forecast
Sunday

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

Hi 106 °F
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy

Lo 82 °F
Monday

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

Hi 104 °F
Monday
Night
Monday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Lo 81 °F
Tuesday

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

Hi 104 °F
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy

Lo 81 °F
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny

Hi 104 °F
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