Hourly Weather Forecast - Sylvester, TX

12 AM
46°F
0%
3mph
E
Clear
Humidity
38%
Feels like
45°F
Dew Point
22°F
1 AM
44°F
0%
3mph
E
Clear
Humidity
40%
Feels like
44°F
Dew Point
22°F
2 AM
43°F
0%
3mph
ESE
Clear
Humidity
42%
Feels like
43°F
Dew Point
22°F
3 AM
42°F
0%
3mph
ESE
Clear
Humidity
44%
Feels like
42°F
Dew Point
22°F
4 AM
41°F
0%
3mph
SE
Clear
Humidity
45%
Feels like
41°F
Dew Point
22°F
5 AM
41°F
0%
3mph
SSE
Clear
Humidity
46%
Feels like
39°F
Dew Point
22°F
6 AM
41°F
0%
4mph
S
Clear
Humidity
46%
Feels like
38°F
Dew Point
22°F
7 AM
42°F
0%
4mph
S
Clear
Humidity
45%
Feels like
39°F
Dew Point
22°F
7:38 AM
8 AM
44°F
0%
4mph
S
Sunny
Humidity
44%
Feels like
42°F
Dew Point
23°F
9 AM
47°F
0%
5mph
S
Sunny
Humidity
41%
Feels like
45°F
Dew Point
24°F
10 AM
52°F
0%
7mph
S
Sunny
Humidity
36%
Feels like
52°F
Dew Point
26°F
11 AM
58°F
0%
9mph
S
Sunny
Humidity
31%
Feels like
58°F
Dew Point
27°F
12 PM
63°F
0%
11mph
SSW
Sunny
Humidity
27%
Feels like
63°F
Dew Point
28°F
1 PM
67°F
0%
13mph
SSW
Sunny
Humidity
24%
Feels like
67°F
Dew Point
29°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday A.M.

Snow Spreads Across the Midwest into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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