Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Marshall (KASL)

Lat: 32.52°NLon: 94.31°WElev: 357ft.

Mostly Cloudy

74°F

23°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.77 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 17 Jun 7:15 am CDT
Extended Forecast for

3 Miles W Karnack TX

  • Today

    Today: Mostly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, increasing clouds, with a low around 75. South wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 91. Calm wind becoming south around 5 mph.  Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm.  Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 75. South wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers before 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Juneteenth
Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 91. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 78.
Monday
Mostly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Karnack TX
 32.63°N 94.19°W (Elev. 322 ft)
6:30 am CDT Jun 17, 2026
7am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database