Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Seguin - Randolph AFB Auxiliary Field (KSEQ)

Lat: 29.57°NLon: 97.91°WElev: 525ft.

Overcast

59°F

15°C

Humidity 78%
Wind Speed SE 10 mph
Barometer 30.18 in (1022.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 20 Jan 9:55 pm CST
Extended Forecast for

Seguin TX

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 3am.  Patchy fog after 2am.  Otherwise, cloudy, with a low around 53. Southeast wind around 5 mph.

    Low: 53 °F

    Cloudy then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers before 9am.  Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 70. South southwest wind around 5 mph.

    High: 70 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Calm wind becoming north northeast around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74. North northeast wind around 5 mph becoming south in the afternoon.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. South southeast wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly after noon.  Cloudy, with a high near 66. Southeast wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 35. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 35 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before noon.  Cloudy, with a high near 37. North wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    High: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of freezing rain.  Mostly cloudy, with a low around 20. North wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    Low: 20 °F

    Chance
    Freezing Rain

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers before 9am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 70. South southwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Calm wind becoming north northeast around 5 mph.
Thursday
Partly sunny, with a high near 74. North northeast wind around 5 mph becoming south in the afternoon.
Thursday Night
Mostly cloudy, with a low around 59. South southeast wind around 5 mph.
Friday
A 40 percent chance of showers, mainly after noon. Cloudy, with a high near 66. Southeast wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers. Low around 35. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before noon. Cloudy, with a high near 37. North wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Saturday Night
A chance of freezing rain. Mostly cloudy, with a low around 20. North wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Seguin TX
 29.58°N 97.96°W (Elev. 551 ft)
5:46 pm CST Jan 20, 2026
10pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database