Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

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

Fair

62°F

17°C

Humidity 90%
Wind Speed W 6 mph
Barometer 29.88 in (1009.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Dec 1:51 am CST
Extended Forecast for

3 Miles NNE Mertzon TX

Wind Advisory December 28, 03:00pm until December 29, 03:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 58. Southwest wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 35 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Mostly cloudy, with a high near 43. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy
    then Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. North wind 5 to 10 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Calm wind becoming southwest around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Southwest wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. Southwest wind 5 to 10 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 79. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 35. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 40 mph.
Monday
Mostly cloudy, with a high near 43. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 33. North wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 53. Calm wind becoming southwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 58. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 38. Southwest wind 5 to 10 mph.
New Year's Day
Mostly sunny, with a high near 70. West southwest wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 75.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Mertzon TX
 31.3°N 100.82°W (Elev. 2238 ft)
2:06 am CST Dec 28, 2025
2am CST Dec 28, 2025-6pm CST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database