Hourly Weather Forecast - Río Blanco, San Marcos, GT

12 AM
50°F
0%
3mph
NNE
Partly Cloudy
Humidity
87%
Feels like
50°F
Dew Point
46°F
1 AM
50°F
0%
4mph
NNE
Partly Cloudy
Humidity
88%
Feels like
49°F
Dew Point
46°F
2 AM
50°F
0%
5mph
NNE
Mostly Cloudy
Humidity
88%
Feels like
50°F
Dew Point
47°F
3 AM
50°F
0%
5mph
NNE
Mostly Cloudy
Humidity
89%
Feels like
50°F
Dew Point
47°F
4 AM
50°F
0%
5mph
NNE
Mostly Cloudy
Humidity
90%
Feels like
50°F
Dew Point
47°F
5 AM
50°F
10%
5mph
NNE
Partly Cloudy
Humidity
91%
Feels like
48°F
Dew Point
47°F
6 AM
50°F
10%
5mph
NNE
Partly Cloudy
Humidity
91%
Feels like
50°F
Dew Point
47°F
6:24 AM
7 AM
52°F
10%
5mph
NNE
Mostly Cloudy
Humidity
88%
Feels like
52°F
Dew Point
48°F
8 AM
55°F
10%
6mph
NNE
Mostly Cloudy
Humidity
82%
Feels like
55°F
Dew Point
49°F
9 AM
57°F
10%
7mph
NNE
Cloudy
Humidity
77%
Feels like
57°F
Dew Point
49°F
10 AM
59°F
10%
9mph
NE
Cloudy
Humidity
70%
Feels like
59°F
Dew Point
49°F
11 AM
61°F
20%
10mph
NE
Mostly Cloudy
Humidity
63%
Feels like
61°F
Dew Point
49°F
12 PM
63°F
30%
11mph
NE
30% Chance Rain Showers
Humidity
59%
Feels like
63°F
Dew Point
48°F
1 PM
64°F
40%
12mph
NE
40% Chance Rain Showers
Humidity
57%
Feels like
64°F
Dew Point
48°F
2 PM
64°F
40%
12mph
NE
40% Chance Rain Showers
Humidity
57%
Feels like
64°F
Dew Point
48°F
3 PM
63°F
40%
11mph
NE
40% Chance Rain Showers
Humidity
58%
Feels like
63°F
Dew Point
48°F
4 PM
61°F
40%
10mph
NE
40% Chance Rain Showers
Humidity
61%
Feels like
61°F
Dew Point
48°F
5 PM
59°F
40%
9mph
NE
40% Chance Rain Showers
Humidity
66%
Feels like
59°F
Dew Point
48°F
5:39 PM
6 PM
56°F
30%
7mph
NE
30% Chance Rain Showers
Humidity
75%
Feels like
56°F
Dew Point
48°F
7 PM
54°F
30%
6mph
NE
30% Chance Rain Showers
Humidity
79%
Feels like
54°F
Dew Point
47°F
8 PM
53°F
20%
6mph
NE
Mostly Cloudy
Humidity
81%
Feels like
53°F
Dew Point
47°F
9 PM
51°F
20%
5mph
NE
Mostly Cloudy
Humidity
85%
Feels like
51°F
Dew Point
47°F
10 PM
50°F
10%
5mph
NE
Partly Cloudy
Humidity
86%
Feels like
50°F
Dew Point
46°F
11 PM
49°F
0%
4mph
NE
Partly Cloudy
Humidity
88%
Feels like
48°F
Dew Point
46°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide