Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Overcast

75°F

24°C

Humidity 79%
Wind Speed S 13 mph
Barometer 29.69 in (1005.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 15 Mar 6:53 pm CDT
Extended Forecast for

Mermentau LA

Tornado Watch until March 16, 12:00am
Wind Advisory March 15, 07:48pm until March 16, 06:00pm
Red Flag Warning March 16, 11:00am until March 16, 07:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
Red Flag Warning
  •  
    Tornado Watch until March 16, 12:00am
    Wind Advisory March 15, 07:48pm until March 16, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 43 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 53. North wind around 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 56. Northeast wind around 5 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Low around 43. South wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 53. North wind around 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 34. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 56. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 39. Calm wind.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 51. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Clear, with a low around 58. Southwest wind around 5 mph.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Mermentau LA
 30.18°N 92.58°W
7:46 pm CDT Mar 15, 2026
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database