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: @ 22-Jul-2026 12:30pm - next update at 12:35pm   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 100.1, Max: 100.6, Min: 76.1 100.1°F
Temp Trend Warmer 2.9°F than last hour.

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Feels like: 112.7°F

24-hr difference
7.5°FWarmer 7.5°F than yesterday at this time.
  Today Yesterday
High: 100.6°F
12:26pm
96.3°F
3:11pm
Low: 76.1°F
5:40am
74°F
1:18am
Fire
Davis VP2 Status
ICN:0 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 84.4°F
Indoor Humidity: 53 %
 Wind from WSW WSW
2.4
Gust:
5 mph
1 Bft - Light Air
Max Gust: 12 mph  12:27 PM
1Hr Average: 2.7 mph
Max Gust
This Month:
29.0 mph
on  Jul 13
Wind Run: 11.42 miles
Wind Year: 7343.48 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: 34 % Decreased 4.0% since last hour.
High Humidity
Today:
77%
at 5:35 AM
Low Humidity
Today:
34%
at 12:25 PM
Barometer: 29.781 inHg Falling 0.02  inHg/hr
Baro Trend: Falling slowly
Dew Point: 66.7°F Decreased 0.8°F since last hour.
Wet Bulb: 77.6
Sunrise: 5:32am
Sunset: 7:29pm
Moonrise: 2:09pm
Moonset: 11:51pm
Full Moon: Wed, 29-Jul-2026 7:36am MST
New moon: Wed, 12-Aug-2026 10:37am MST
Sunlight:
Today:13 h 56 m 22 s
(Noon)
graph
(Midnight)
Waxing Gibbous
Waxing Gibbous, Moon at 8 days in cycle
60%
Illuminated
Current UV Index Current Solar Energy Air Quality
10.6
Sunburn in
11 Minutes
Highest:
12:22 PM
11.2
949 W/m2
89 %
W/m2 SI
Highest:
12:20 PM
998
54
  Moderate
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
99°F
Average Low
77°F
Record High
111°F (2023)
Record Low
63°F (1895, 1913 & 1973)
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 98 °F
NWS forecast: A slight chance of showers and thunderstorms before 5pm. Sunny, with a high near 98. Heat index values as high as 102. West northwest wind around 5 mph.
Davis VP+ forecast: Mostly sunny with a 10 percent chance of showers and thunderstorms. Highs 92 to 98. North wind around 10 mph.
 
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 79 °F
NWS forecast: Mostly clear, with a low around 79. Heat index values as high as 100. Northeast wind around 6 mph.
NWS Short Term Weather Forecast
Thursday

Thursday: Sunny
Sunny

Hi 106 °F
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear

Lo 83 °F
Friday

Friday: Sunny
Sunny

Hi 108 °F
Friday
Night
Friday Night: Mostly Clear
Mostly Clear

Lo 85 °F
Saturday

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

Hi 110 °F
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy

Lo 83 °F
Sunday

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

Hi 105 °F
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