Hourly Weather Forecast - Great Falls, VA

9 AM
20°F
0%
0mph
SE
Sunny
Humidity
68%
Feels like
20°F
Dew Point
11°F
10 AM
24°F
0%
1mph
SSE
Mostly Sunny
Humidity
58%
Feels like
24°F
Dew Point
11°F
11 AM
27°F
0%
2mph
S
Mostly Sunny
Humidity
51%
Feels like
27°F
Dew Point
11°F
12 PM
29°F
0%
3mph
S
Partly Cloudy
Humidity
49%
Feels like
26°F
Dew Point
12°F
1 PM
30°F
0%
4mph
S
Partly Cloudy
Humidity
48%
Feels like
26°F
Dew Point
13°F
2 PM
31°F
0%
5mph
S
Mostly Sunny
Humidity
49%
Feels like
26°F
Dew Point
14°F
3 PM
31°F
0%
5mph
S
Mostly Sunny
Humidity
53%
Feels like
25°F
Dew Point
16°F
4 PM
30°F
0%
6mph
S
Mostly Sunny
Humidity
59%
Feels like
24°F
Dew Point
17°F
4:46 PM
5 PM
29°F
0%
6mph
S
Mostly Clear
Humidity
65%
Feels like
23°F
Dew Point
19°F
6 PM
28°F
0%
6mph
S
Mostly Clear
Humidity
70%
Feels like
22°F
Dew Point
20°F
7 PM
28°F
0%
6mph
S
Mostly Clear
Humidity
73%
Feels like
22°F
Dew Point
21°F
8 PM
29°F
0%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
22°F
Dew Point
22°F
9 PM
29°F
0%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
22°F
Dew Point
22°F
10 PM
30°F
0%
7mph
SSW
Partly Cloudy
Humidity
74%
Feels like
23°F
Dew Point
23°F
11 PM
30°F
0%
7mph
SSW
Partly Cloudy
Humidity
78%
Feels like
23°F
Dew Point
24°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide