Hourly Weather Forecast - Río Blanco, San Marcos, GT

12 AM
50°F
0%
4mph
ESE
Partly Cloudy
Humidity
92%
Feels like
50°F
Dew Point
48°F
1 AM
50°F
0%
3mph
SE
Partly Cloudy
Humidity
91%
Feels like
50°F
Dew Point
47°F
2 AM
50°F
0%
3mph
SSE
Cloudy
Humidity
90%
Feels like
50°F
Dew Point
47°F
3 AM
50°F
0%
3mph
SSE
Cloudy
Humidity
88%
Feels like
50°F
Dew Point
46°F
4 AM
49°F
0%
3mph
SSE
Cloudy
Humidity
86%
Feels like
49°F
Dew Point
46°F
5 AM
48°F
0%
3mph
ESE
Partly Cloudy
Humidity
86%
Feels like
48°F
Dew Point
44°F
6 AM
47°F
0%
3mph
SE
Partly Cloudy
Humidity
89%
Feels like
47°F
Dew Point
44°F
6:22 AM
7 AM
49°F
0%
3mph
SE
Partly Cloudy
Humidity
87%
Feels like
49°F
Dew Point
45°F
8 AM
53°F
0%
5mph
ENE
Partly Cloudy
Humidity
80%
Feels like
53°F
Dew Point
47°F
9 AM
58°F
0%
7mph
E
Partly Cloudy
Humidity
69%
Feels like
58°F
Dew Point
48°F
10 AM
63°F
10%
8mph
E
Partly Cloudy
Humidity
60%
Feels like
63°F
Dew Point
49°F
11 AM
66°F
10%
9mph
E
Partly Cloudy
Humidity
52%
Feels like
66°F
Dew Point
48°F
12 PM
69°F
20%
9mph
ENE
Partly Cloudy
Humidity
48%
Feels like
69°F
Dew Point
48°F
1 PM
69°F
30%
9mph
ENE
30% Chance Rain Showers
Humidity
46%
Feels like
69°F
Dew Point
47°F
2 PM
69°F
30%
9mph
ENE
30% Chance Rain Showers
Humidity
45%
Feels like
69°F
Dew Point
47°F
3 PM
68°F
30%
10mph
ENE
30% Chance Rain Showers
Humidity
46%
Feels like
68°F
Dew Point
46°F
4 PM
66°F
30%
11mph
ENE
30% Chance Rain Showers
Humidity
52%
Feels like
66°F
Dew Point
48°F
5 PM
63°F
30%
10mph
ENE
30% Chance Rain Showers
Humidity
61%
Feels like
63°F
Dew Point
49°F
5:38 PM
6 PM
60°F
20%
8mph
ENE
Partly Cloudy
Humidity
72%
Feels like
60°F
Dew Point
51°F
7 PM
58°F
20%
6mph
ENE
Partly Cloudy
Humidity
80%
Feels like
58°F
Dew Point
51°F
8 PM
56°F
20%
4mph
E
Mostly Cloudy
Humidity
85%
Feels like
56°F
Dew Point
51°F
9 PM
54°F
20%
4mph
ESE
Partly Cloudy
Humidity
88%
Feels like
54°F
Dew Point
51°F
10 PM
53°F
20%
4mph
SE
Partly Cloudy
Humidity
89%
Feels like
53°F
Dew Point
50°F
11 PM
53°F
10%
3mph
SE
Cloudy
Humidity
89%
Feels like
53°F
Dew Point
50°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide