Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Overcast

28°F

-2°C

Humidity 52%
Wind Speed Calm
Barometer 30.55 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 1 Feb 12:15 am CST
Extended Forecast for

5 Miles SW Mount Vernon TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Widespread frost between 7am and 8am.  Otherwise, sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 48 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 5am.  Otherwise, clear, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Frost

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, sunny, with a high near 64. Southwest wind 5 to 10 mph.

    High: 64 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 50. South wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly before noon.  Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Calm wind.
Sunday
Widespread frost between 7am and 8am. Otherwise, sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Southwest wind around 5 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 64. Southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 50. South wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mount Vernon TX
 33.11°N 95.27°W (Elev. 499 ft)
11:30 pm CST Jan 31, 2026
12am CST Feb 1, 2026-6pm CST Feb 7, 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