Saturday, July 18, 2026  
 
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Area Conditions for Port Allen, LA
 
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Temperature: 80 oF
Feels Like: 87 oF
Humidity: 90%
Barometer: 30.1
Dew Point: 77 oF
Wind Dir.: W
Wind Speed: 5 mph
Sunrise: 6:14
Sunset: 8:07
Observation: Clear
Radar
As reported at BATON ROUGE, LA at 3:00 AM

5-day Forecast for Port Allen, LA
Date Sat
7/18
Sun
7/19
Mon
7/20
Tue
7/21
Wed
7/22
Weather Condition Mostly Cloudy Partly Cloudy Thunder Storms Mostly Cloudy Thunder Storms
Weather Mostly Cloudy Partly Cloudy Thunder Storms Mostly Cloudy Thunder Storms
Temperature (°F)
Low/High
76/94 75/95 75/96 76/97 77/97
Feels Like (°F)
Low/High
78/104 77/105 77/106 78/106 79/109
Dew Point (°F) 74 74 74 73 74
Humidity (%) 63 61 61 57 60
Wind Speed (mph) 5 5 5 6 6
Precipitation
Chance
(%)
- - 20 - 37
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None None Rain
0.06
None Rain
0.02
Evapo-
transpiration

(inches/day)
0.2 0.21 0.21 0.23 0.23

County Forecast for Port Allen , LA
 
181400-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
121 AM CDT Sat Jul 18 2026

...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT
THIS EVENING...

Rest of tonight   Partly cloudy. Near steady temperature in the upper 70s. West winds around 5 mph.
Saturday   Mostly sunny. Humid with highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 107.
Saturday night   Mostly clear. Humid with lows in the mid 70s. West winds around 5 mph. Heat index values up to 106 early in the evening.
Sunday   Sunny with highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 108.
Sunday night   Clear. Lows in the mid 70s. West winds around 5 mph. Heat index values up to 107 early in the evening.
Monday through tuesday night   Mostly clear. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 110.
Wednesday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 110.
Wednesday night   Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 110 early in the evening.
Thursday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 110.
Thursday night   Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 110 early in the evening.
Friday   Sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heat Wave Continues for Western Corn Belt This Weekend, Then Ends
Posted at 12:00PM Fri Jul 17, 2026 CDT
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