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Current Conditions and
Forecast from NWS/IWIN

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NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
Great Falls, Virginia (22066)  Lat: 39.00N, Lon: 77.29W
Wx Zone: VAZ053
Current Conditions
Updated:
Sun & Moon Information:
Temp: N/A
Humidity: N/A
Wind Speed: N/A
Barometer: N/A
Dewpoint: N/A
Heat Index: N/A
Wind Chill: N/A
Civil Twilight: 5:27 AM EDT Moon Phase:
Waxing Crescent Moon
Waxing Crescent Moon
Sunrise: 5:57 AM EDT
Sunset: 8:11 PM EDT
Civil Twilight: 8:41 PM EDT
Forecast for Great Falls, Virginia:
Dated: 734 PM EDT MON MAY 13 2024    Expires: 1100 PM EDT FRI DEC 13 2024
NOTE: The Forecast Data has Expired
3 Day View   
TUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAYSUNDAYMONDAY
Thunder stormsShowers LikelyPartly SunnyChance of ShowersChance of ShowersMostly SunnyChance of Showers
Thunder
Storms
Showers
Likely
Partly
Sunny
Chance
Of
Showers
Chance
Of
Showers
Mostly
Sunny
Chance
Of
Showers
Hi: 71°F
Lo: 61°F
Hi: 69°F
Lo: 59°F
Hi: 75°F
Lo: 59°F
Hi: 79°F
Lo: 61°F
Hi: 71°F
Lo: 60°F
Hi: 75°F
Lo: 60°F
Hi: 80°F
Pop: 70% Pop: 80% Pop: 40% Pop: 50% Pop: 30%
ZoneCast:
Dated: 734 PM EDT MON MAY 13 2024    Expires: 1100 PM EDT FRI DEC 13 2024
NOTE: The Forecast Data has Expired
Includes the Counties: Fairfax, Including The Cities Of Reston, Herndon, Annandale, Centreville, Chantilly, Mclean, And Franconia
Tuesday...Cloudy. Scattered showers in the morning, then numerous showers with isolated thunderstorms in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph. Chance of rain 70 percent.
Wednesday...Showers likely in the morning, then showers in the afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.
Thursday...Partly sunny. Highs in the mid 70s.
Friday...Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
Saturday...Mostly cloudy with a chance of showers. Highs in the lower 70s. Chance of rain 50 percent.
Sunday...Mostly sunny. Highs in the mid 70s.
Monday...Mostly sunny with a chance of showers. Highs around 80. Chance of rain 30 percent.

US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

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