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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Wednesday, June 18

Current Weather

4:32 PM

80°F
Mostly sunny
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible 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™ 87°
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
RealFeel®
91°
RealFeel Shade™
87°
Max UV Index
3 Moderate
Wind
NNW 2 mph
Wind Gusts
12 mph
Humidity
90%
Indoor Humidity
90% (Extremely Humid)
Dew Point
77° F
Pressure
↓ 29.92 in
Cloud Cover
20%
Visibility
9 mi
Cloud Ceiling
40000 ft

Day

6/18
87°Hi
RealFeel® 102°
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 Shade™ 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Humid; a shower in spots late this morning followed by heavy t-storms this afternoon; storms can bring flooding downpours and localized damaging wind gusts

Max UV Index8 (Very High)

AccuLumen Brightness Index™4 (Dull)

WindSW 6 mph

Wind Gusts16 mph

Probability of Precipitation96%

Probability of Thunderstorms58%

Precipitation0.27 in

Rain0.27 in

Hours of Precipitation3.5

Hours of Rain3.5

Cloud Cover75%

Morning

Afternoon

Night

6/18
69°Lo
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mainly clear and humid

WindSSW 6 mph

Wind Gusts15 mph

Probability of Precipitation9%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover12%

Evening

Overnight

Sun & Moon

14 hrs 54 mins
Rise 5:43 AM
Set 8:37 PM
Last Quarter
Rise 12:59 AM
Set 1:02 PM

Temperature History

6/18
High
Low
Forecast
87°
69°
Average
82°
65°
Last Year
92°
70°

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Weather Near Great Falls:

  • Alexandria, VA
  • Germantown, MD
  • Washington, DC
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