National Weather Service

News Headlines

New: March-May (Spring 2026) Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, wildfire potential, water supply, and heat risk concerns are in focus
The Potential for Wildfire Spread Will Remain Acute through Early March. Stop Wildfires Before they Start with Smokey Bear
El riesgo de propagación de incendios forestales aumenta durante marzo. Revise estas medidas de prevención.
Drought is Worsening and Increasing in Coverage Across the Area as We Head into Spring. Track Its Coverage Here.

Hazardous Weather Conditions

Dense Fog Advisory until February 28, 09:00 AM CST

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Overcast

63°F

17°C

Humidity	100%
Wind Speed	E 3 mph
Barometer	29.93 in (1013.5 mb)
Dewpoint	63°F (17°C)
Visibility	NA
Last update	28 Feb 2:52 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles ENE Harlingen TX

Dense Fog Advisory February 28, 03:56am until February 28, 09:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory February 28, 03:56am until February 28, 09:00am
NOW until 9:00am Sat
Dense Fog Advisory
Overnight
Low: 63 °F
Dense Fog
Saturday
High: 86 °F
Dense Fog
then Sunny
Saturday Night
Low: 64 °F
Increasing
Clouds
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 88 °F
Mostly Sunny
and Breezy

Detailed Forecast

Overnight

Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 63. Calm wind.

Saturday

Widespread dense fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Light east southeast wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Saturday Night

Increasing clouds, with a low around 64. Southeast wind 6 to 14 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 85. Southeast wind 6 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 64. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.

Monday

Sunny, with a high near 87. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.

Monday Night

Mostly clear, with a low around 65. Southeast wind 9 to 15 mph, with gusts as high as 23 mph.

Tuesday

Mostly sunny, with a high near 88. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

Tuesday Night

Mostly cloudy, with a low around 68. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 30 mph.

Wednesday

Partly sunny, with a high near 87. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 32 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 67. Southeast wind 10 to 16 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 88. Breezy.

Thursday Night

Mostly cloudy, with a low around 67.

Friday

Partly sunny, with a high near 89. Breezy.