River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

49°F

9°C

Humidity 95%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 4 Nov 11:35 pm CST
Extended Forecast for

Mount Vernon TX

  • Overnight

    Overnight: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 76. Calm wind becoming south around 5 mph.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 53. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. North wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. North wind around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 45. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming south around 5 mph.
Thursday Night
A slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 53. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 72. North wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 47. North wind around 5 mph.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 46.
Veterans Day
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon TX
 33.2°N 95.22°W (Elev. 489 ft)
11:30 pm CST Nov 4, 2026
12am CST Nov 5, 2026-6pm CST Nov 11, 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