National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall (KASL)

Lat: 32.52°NLon: 94.31°WElev: 357ft.

Overcast

73°F

23°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.94 in
Dewpoint 71°F (22°C)
Visibility 5.00 mi
Last update 23 Sep 9:15 am CDT
Extended Forecast for

3 Miles NNW Karnack TX

Flash Flood Watch until September 23, 07:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until September 23, 07:00pm

    NOW until
    7:00pm Sun

    Flash Flood Watch

  • Today

    Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rain. Cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 60%.

    Heavy Rain

    High: 79 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, cloudy, with a low around 72. Northeast wind around 5 mph. Chance of precipitation is 40%.

    Chance
    Showers and
    Patchy Fog

    Low: 72 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

    Chance
    T-storms and
    Patchy Fog

    High: 85 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph.

    Slight Chance
    T-storms

    Low: 71 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind around 5 mph.

    Chance
    T-storms

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.

    Chance
    T-storms

    Low: 70 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68.

    Chance
    T-storms

    Low: 68 °F

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rain. Cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, cloudy, with a low around 72. Northeast wind around 5 mph. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 83.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
3 Miles NNW Karnack TX
 32.65°N 94.17°W (Elev. 299 ft)
Last Update:
7:26 am CDT Sep 23, 2018
Forecast Valid:
9am CDT Sep 23, 2018-6pm CDT Sep 29, 2018
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation