National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

Lat: 31.35°NLon: 100.49°WElev: 1916ft.

Fair

53°F

12°C

Humidity 86%
Wind Speed N 5 mph
Barometer 29.95 in (1013.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 14 Nov 12:51 am CST
Extended Forecast for

Mertzon TX

  • Overnight

    Overnight: Showers likely after 3am. Increasing clouds, with a low around 52. South southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, mainly before 9am. High near 67. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers then
    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 68. Southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54. East northeast wind around 5 mph.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. East wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. South southeast wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. South southeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely after 3am. Increasing clouds, with a low around 52. South southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers, mainly before 9am. High near 67. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 68. Southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 54. East northeast wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 45. East wind around 5 mph.
Tuesday
Partly sunny, with a high near 57. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 50. South southeast wind 5 to 10 mph.
Wednesday
Mostly cloudy, with a high near 62. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mertzon TX
 31.26°N 100.82°W (Elev. 2274 ft)
Last Update:
12:26 am CST Nov 14, 2026
Forecast Valid:
1am CST Nov 14, 2026-6pm CST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation