Outdoor conditions in

Great Falls

Virginia

Outdoor planning

Now
  1. 63°Slight Chance Rain Showers22% rain75% humidityGusts 12 mph
  2. 63°Chance Rain Showers34% rain72% humidityGusts 10 mph
  3. 63°Chance Rain Showers40% rain72% humidityGusts 9 mph
  4. 63°Chance Rain Showers43% rain75% humidityGusts 9 mph
  5. 62°Chance Rain Showers46% rain78% humidityGusts 8 mph
  6. 61°Chance Rain Showers39% rain81% humidityGusts 8 mph
  7. 60°Slight Chance Rain Showers23% rain84% humidityGusts 9 mph
  8. 60°Chance Rain Showers27% rain84% humidityGusts 8 mph
  9. 60°Slight Chance Rain Showers17% rain84% humidityGusts 8 mph
  10. 60°Mostly Cloudy14% rain90% humidityGusts 8 mph
  11. 59°Mostly Cloudy11% rain100% humidityGusts 9 mph
  12. 59°Mostly Cloudy9% rain100% humidityGusts 9 mph
  13. 59°Slight Chance Rain Showers16% rain100% humidityGusts 10 mph
  14. 59°Slight Chance Rain Showers18% rain100% humidityGusts 10 mph
  15. 59°Slight Chance Rain Showers15% rain100% humidityGusts 12 mph
  16. 58°Slight Chance Rain Showers21% rain100% humidityGusts 12 mph
  17. 59°Patchy Fog9% rain100% humidityGusts 12 mph
  18. 59°Patchy Fog7% rain100% humidityGusts 13 mph
  19. 60°Patchy Fog7% rain100% humidityGusts 14 mph
  20. 61°Cloudy7% rain100% humidityGusts 15 mph
  21. 61°Cloudy8% rain100% humidityGusts 16 mph
  22. 62°Cloudy10% rain100% humidityGusts 17 mph
  23. 63°Mostly Cloudy1% rain100% humidityGusts 17 mph
  24. 65°Partly Sunny1% rain97% humidityGusts 20 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
46%
Humidity
72–100%
Wind
13 mph
Fri

Friday has a real shower chance.

Rain
63%
Humidity
67–100%
Wind
24 mph
Sat

Saturday has a real shower chance.

Rain
63%
Humidity
52–90%
Wind
30 mph
Sun

Sunday looks fairly quiet.

Rain
13%
Humidity
49–79%
Wind
12 mph
Mon

Monday looks fairly quiet.

Rain
14%
Humidity
64–96%
Wind
14 mph
  1. 63° / 59°Today has a real shower chance.46% rain · Humidity 72–100% · Wind 13 mph
  2. 80° / 58°Friday has a real shower chance.63% rain · Humidity 67–100% · Wind 24 mph
  3. 61° / 44°Saturday has a real shower chance.63% rain · Humidity 52–90% · Wind 30 mph
  4. 56° / 37°Sunday looks fairly quiet.13% rain · Humidity 49–79% · Wind 12 mph
  5. 60° / 40°Monday looks fairly quiet.14% rain · Humidity 64–96% · Wind 14 mph

Environmental watch

Air quality + smoke

Air quality

Northern Virginia area · Updated Thu 10:25 AM
35GoodUS AQI

Good through Sat 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground35 · Good US AQI

Rain, in motion · Past four hours

Great Falls radar

Radar animation for Great Falls, covering the past four hours. A marked spot changes the map view, not the forecast on this page.

Outdoor fire check

Thinking about a backyard fire?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Thunder is possible.

Humidity
75%
Wind
7 mph
Gusts
12 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Northern Virginia area, about 12 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Great Falls, VA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.