GREAT FALLS, VA 22066 Weather Forecast & Current Conditions

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22066 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
WASH-DULLES, VA Current Weather
1:52 AM EDT JUL 19, 2025
Broken Clouds 75°F
Feels Like:	75°F
Dewpoint:	73°F
Rel. Hum.:	94%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Virginia Current Weather
Virginia MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

22066 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	GREAT FALLS, VA 22066 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Mostly cloudy with isolated showers. Lows in the lower 70s. Light and variable winds. Chance of rain 20 percent.

SATURDAY
Mostly cloudy. Isolated showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 70 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 40 percent.

SUNDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 40 percent.

MONDAY
Mostly sunny. Highs in the mid 80s.

MONDAY NIGHT
Mostly clear. Lows in the mid 60s.

TUESDAY
Sunny. Highs in the lower 80s.

TUESDAY NIGHT
Mostly clear. Lows in the upper 60s.

WEDNESDAY
Mostly sunny. Highs in the mid 80s.

WEDNESDAY NIGHT
Partly cloudy. Lows around 70.

THURSDAY
Sunny. Highs in the lower 90s.

THURSDAY NIGHT
Mostly clear. Lows in the mid 70s.

22066 WEATHER SATELLITE LOOPS

Visible Weather Satellite
GREAT FALLS, VA 22066

Infrared Weather Satellite
GREAT FALLS, VA 22066

22066 WEATHER RADAR LOOP

NEXRAD Weather Radar
GREAT FALLS, VA 22066

MOS COMPUTER WEATHER FORECAST

WASH-DULLES, VA 3 hourly weather forecast

weather forecast created 7:00 PM CDT 7/18/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
19 JUL 2025

2 AM

74°

74°

Partly Cloudy

19%
RAIN
.1–.25 in

0% Thunder
( 22% severe)

SSE 1

93%

72°

Low 71°

5 AM

72°

72°

Mostly Cloudy

S 1

100%

72°

High 86°

8 AM

75°

75°

Mostly Cloudy

26%
RAIN
<.01 in

0% Thunder
( 20% severe)

S 2

94%

73°

Mostly Cloudy

Rain Likely

11 AM

80°

84°

Mostly Cloudy

SSW 3

79%

73°

2 PM

83°

89°

Mostly Cloudy

55%
RAIN
1–2 in

0% Thunder
( 45% severe)

WSW 5

72%

73°

5 PM

82°

87°

Mostly Cloudy

SSW 5

74%

73°

8 PM

80°

85°

Partly Cloudy

16%
RAIN
.01–.1 in

0% Thunder
( 30% severe)

S 5

82%

74°

11 PM

76°

76°

Mostly Cloudy

S 3

90%

73°

Sunday
20 JUL 2025

2 AM

74°

74°

Partly Cloudy

9%

0% Thunder
( 8% severe)

SSW 2

97%

73°

Low 72°

5 AM

73°

73°

Partly Cloudy

SSW 2

97%

72°

High 91°

8 AM

76°

76°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 12% severe)

WSW 3

90%

73°

Mostly Cloudy

Chance of Rain

11 AM

84°

90°

Mostly Cloudy

W 7

70%

73°

2 PM

89°

96°

Partly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 36% severe)

W 9

57%

72°

5 PM

87°

93°

Mostly Cloudy

WNW 9

61%

72°

8 PM

83°

88°

Mostly Cloudy

8%

0% Thunder
( 27% severe)

NW 8

70%

72°

11 PM

78°

80°

Mostly Cloudy

NW 7

79%

71°


WASH-DULLES, VA extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 73°	Low 70°	Low 58°	Low 60°	Low 66°
High 93°	High 84°	High 85°	High 85°	High 92°

Overcast 54% Rain	Partly Cloudy 18% Rain	Clear 6% Rain	Partly Cloudy 14% Rain	Partly Cloudy 21% Rain

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