Hourly Weather Forecast - Great Falls, VA

12 AM
30°F
0%
7mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
23°F
Dew Point
25°F
1 AM
30°F
0%
6mph
SSW
Mostly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
26°F
2 AM
30°F
10%
6mph
SSW
Mostly Cloudy
Humidity
86%
Feels like
24°F
Dew Point
26°F
3 AM
31°F
0%
6mph
SSW
Mostly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
27°F
4 AM
31°F
0%
6mph
S
Mostly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
28°F
5 AM
32°F
0%
6mph
S
Mostly Cloudy
Humidity
87%
Feels like
26°F
Dew Point
28°F
6 AM
33°F
0%
6mph
S
Mostly Cloudy
Humidity
86%
Feels like
27°F
Dew Point
29°F
7 AM
34°F
10%
6mph
S
Cloudy
Humidity
85%
Feels like
28°F
Dew Point
30°F
7:17 AM
8 AM
35°F
10%
7mph
SSW
Cloudy
Humidity
82%
Feels like
30°F
Dew Point
30°F
9 AM
37°F
10%
8mph
SSW
Cloudy
Humidity
79%
Feels like
31°F
Dew Point
31°F
10 AM
39°F
10%
9mph
SSW
Cloudy
Humidity
75%
Feels like
33°F
Dew Point
32°F
11 AM
40°F
10%
9mph
SSW
Cloudy
Humidity
73%
Feels like
35°F
Dew Point
32°F
12 PM
41°F
10%
8mph
SSW
Cloudy
Humidity
72%
Feels like
36°F
Dew Point
33°F
1 PM
42°F
10%
8mph
SSW
Cloudy
Humidity
71%
Feels like
37°F
Dew Point
33°F
2 PM
42°F
10%
7mph
SSW
Cloudy
Humidity
72%
Feels like
38°F
Dew Point
34°F
3 PM
42°F
10%
7mph
SSW
Cloudy
Humidity
73%
Feels like
38°F
Dew Point
34°F
4 PM
42°F
10%
7mph
SSW
Cloudy
Humidity
75%
Feels like
37°F
Dew Point
34°F
4:46 PM
5 PM
41°F
10%
7mph
SSW
Cloudy
Humidity
76%
Feels like
37°F
Dew Point
34°F
6 PM
40°F
10%
7mph
SSW
Cloudy
Humidity
78%
Feels like
36°F
Dew Point
34°F
7 PM
40°F
10%
6mph
SW
Cloudy
Humidity
81%
Feels like
35°F
Dew Point
34°F
8 PM
39°F
10%
6mph
SW
Mostly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
34°F
9 PM
39°F
0%
6mph
SW
Partly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
34°F
10 PM
38°F
0%
6mph
WSW
Partly Cloudy
Humidity
82%
Feels like
34°F
Dew Point
33°F
11 PM
38°F
0%
6mph
WSW
Partly Cloudy
Humidity
81%
Feels like
33°F
Dew Point
32°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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Outdoor Sports Guide