Hourly Weather Forecast - Great Falls, VA

12 AM
30°F
10%
1mph
S
Mostly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
27°F
1 AM
30°F
10%
1mph
SSW
Mostly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
27°F
2 AM
30°F
10%
1mph
SSW
Mostly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
27°F
3 AM
31°F
10%
1mph
SW
Mostly Cloudy
Humidity
88%
Feels like
31°F
Dew Point
28°F
4 AM
31°F
10%
1mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
28°F
5 AM
31°F
10%
2mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
28°F
6 AM
31°F
0%
2mph
W
Cloudy
Humidity
86%
Feels like
31°F
Dew Point
27°F
7 AM
31°F
0%
3mph
W
Mostly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
27°F
7:19 AM
8 AM
33°F
0%
3mph
W
Partly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
28°F
9 AM
35°F
0%
4mph
W
Partly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
28°F
10 AM
37°F
0%
5mph
W
Mostly Sunny
Humidity
71%
Feels like
32°F
Dew Point
28°F
11 AM
38°F
0%
6mph
W
Mostly Sunny
Humidity
66%
Feels like
33°F
Dew Point
28°F
12 PM
40°F
0%
6mph
W
Mostly Sunny
Humidity
61%
Feels like
35°F
Dew Point
28°F
1 PM
41°F
0%
7mph
W
Mostly Sunny
Humidity
58%
Feels like
36°F
Dew Point
27°F
2 PM
41°F
0%
6mph
W
Partly Cloudy
Humidity
56%
Feels like
37°F
Dew Point
27°F
3 PM
40°F
0%
5mph
W
Mostly Cloudy
Humidity
57%
Feels like
37°F
Dew Point
26°F
4 PM
39°F
0%
4mph
W
Cloudy
Humidity
60%
Feels like
36°F
Dew Point
26°F
4:47 PM
5 PM
37°F
0%
4mph
W
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
25°F
6 PM
37°F
0%
3mph
WNW
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
25°F
7 PM
37°F
10%
4mph
WNW
Cloudy
Humidity
63%
Feels like
33°F
Dew Point
25°F
8 PM
37°F
20%
4mph
WNW
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
25°F
9 PM
36°F
20%
3mph
WNW
Cloudy
Humidity
66%
Feels like
33°F
Dew Point
25°F
10 PM
35°F
30%
3mph
WNW
30% Chance of Flurries
Humidity
68%
Feels like
32°F
Dew Point
25°F
11 PM
34°F
30%
3mph
W
30% Chance of Flurries
Humidity
69%
Feels like
32°F
Dew Point
25°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