Hourly Weather Forecast - Great Falls, VA

12 AM
20°F
0%
9mph
NW
Clear
Humidity
51%
Feels like
10°F
Dew Point
5°F
1 AM
20°F
0%
8mph
NW
Clear
Humidity
52%
Feels like
10°F
Dew Point
5°F
2 AM
20°F
0%
8mph
NW
Clear
Humidity
53%
Feels like
10°F
Dew Point
6°F
3 AM
20°F
0%
8mph
NW
Clear
Humidity
55%
Feels like
10°F
Dew Point
6°F
4 AM
19°F
0%
8mph
NW
Clear
Humidity
56%
Feels like
10°F
Dew Point
6°F
5 AM
19°F
0%
7mph
NW
Clear
Humidity
58%
Feels like
10°F
Dew Point
7°F
6 AM
19°F
0%
6mph
NW
Clear
Humidity
59%
Feels like
10°F
Dew Point
7°F
7 AM
19°F
0%
6mph
NW
Clear
Humidity
60%
Feels like
11°F
Dew Point
8°F
7:20 AM
8 AM
20°F
0%
6mph
NW
Sunny
Humidity
59%
Feels like
11°F
Dew Point
8°F
9 AM
21°F
0%
7mph
NW
Sunny
Humidity
57%
Feels like
12°F
Dew Point
8°F
10 AM
23°F
0%
8mph
NW
Sunny
Humidity
52%
Feels like
14°F
Dew Point
8°F
11 AM
25°F
0%
8mph
NW
Sunny
Humidity
50%
Feels like
16°F
Dew Point
9°F
12 PM
26°F
0%
7mph
NW
Sunny
Humidity
48%
Feels like
18°F
Dew Point
9°F
1 PM
27°F
0%
7mph
NW
Sunny
Humidity
46%
Feels like
20°F
Dew Point
9°F
2 PM
27°F
0%
6mph
NW
Sunny
Humidity
46%
Feels like
20°F
Dew Point
9°F
3 PM
27°F
0%
5mph
NW
Sunny
Humidity
47%
Feels like
21°F
Dew Point
9°F
4 PM
26°F
0%
5mph
WNW
Sunny
Humidity
49%
Feels like
20°F
Dew Point
9°F
4:47 PM
5 PM
24°F
0%
3mph
WNW
Clear
Humidity
52%
Feels like
20°F
Dew Point
9°F
6 PM
23°F
0%
2mph
W
Clear
Humidity
56%
Feels like
23°F
Dew Point
9°F
7 PM
22°F
0%
2mph
W
Clear
Humidity
59%
Feels like
22°F
Dew Point
10°F
8 PM
22°F
0%
1mph
WSW
Mostly Clear
Humidity
60%
Feels like
22°F
Dew Point
10°F
9 PM
22°F
0%
1mph
SW
Partly Cloudy
Humidity
60%
Feels like
22°F
Dew Point
10°F
10 PM
21°F
0%
1mph
SW
Mostly Cloudy
Humidity
60%
Feels like
21°F
Dew Point
10°F
11 PM
21°F
10%
0mph
SSW
Cloudy
Humidity
61%
Feels like
21°F
Dew Point
10°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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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Traffic Cameras

Weather Cameras

Outdoor Sports Guide