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St. Johns, AZ

105°F
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Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Wednesday, August 20

Current Weather

10:55 AM

105°F
Mostly sunny
RealFeel® 112°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel®
112°
RealFeel Shade™
104°
Max UV Index
6.3 (High)
Wind
SSE 2 mph
Wind Gusts
4 mph
Humidity
17%
Indoor Humidity
17% (Ideal Humidity)
Dew Point
52° F
Pressure
↔ 29.84 in
Cloud Cover
23%
Visibility
14 mi
Cloud Ceiling
40000 ft

Day

8/20
114°Hi
RealFeel® 117°
Very Dangerous Heat
RealFeel Guide
Very Dangerous Heat
116° to 124°
Significant caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps.
LEARN MORE
RealFeel Shade™ 112°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Partly sunny and hot; dangerous heat
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Friday
alerts

Air Quality Alert

8:35 AM Wednesday - 9:00 PM Thursday

Max UV Index10.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindS 5 mph

Wind Gusts10 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover22%

Morning

Afternoon

Night

8/20
86°Lo
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Partly cloudy and very warm
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Friday
alerts

Air Quality Alert

8:35 AM Wednesday - 9:00 PM Thursday

WindESE 6 mph

Wind Gusts15 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover33%

Evening

Overnight

Sun & Moon

13 hrs 14 mins
Rise 5:55 AM
Set 7:09 PM
Waning Crescent
Rise 2:59 AM
Set 5:53 PM

Temperature History

8/20
High
Low
Forecast
114°
86°
Average
105°
83°
Last Year
112°
92°
Record
113°
2019
58°
1917

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