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Flash flood dangers far from over as storms reload across US. Details here Chevron right
Tropical rainstorm soaks Florida, could strengthen in Gulf before targeting Louisiana Chevron right

Mermentau, LA

79°F
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Mermentau, LA Weather
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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Friday, July 18

Day

7/18
81°Hi
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
A couple of heavy showers and thunderstorms from tropical rainstorm; watch for flash flooding
alerts

Flood Watch

7:00 AM Thursday - 7:00 PM Saturday

Max UV Index3 (Moderate)

AccuLumen Brightness Index™1 (Dark)

WindWSW 8 mph

Wind Gusts10 mph

Probability of Precipitation98%

Probability of Thunderstorms67%

Precipitation1.82 in

Rain1.82 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover99%

Morning

Afternoon

Night

7/18
74°Lo
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Cloudy with a thunderstorm from tropical rainstorm
alerts

Flood Watch

7:00 AM Thursday - 7:00 PM Saturday

WindSSE 7 mph

Wind Gusts8 mph

Probability of Precipitation80%

Probability of Thunderstorms25%

Precipitation0.26 in

Rain0.26 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover96%

Evening

Overnight

Sun & Moon

13 hrs 52 mins
Rise 6:21 AM
Set 8:13 PM
Waning Crescent
Rise 12:34 AM
Set 2:16 PM

Temperature History

7/18
High
Low
Forecast
81°
74°
Average
91°
73°
Last Year
86°
72°

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World North America United States Louisiana Mermentau

Weather Near Mermentau:

  • Lafayette, LA
  • New Iberia, LA
  • Opelousas, LA
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