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Area Conditions for Port Allen, LA
 
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Temperature: 87 oF
Feels Like: 95 oF
Humidity: 65%
Barometer: 30.05
Dew Point: 74 oF
Wind Dir.: SSW
Wind Speed: 10 mph
Sunrise: 6:15
Sunset: 8:06
Observation: Sunny
Radar
As reported at BATON ROUGE, LA at 7:00 PM

5-day Forecast for Port Allen, LA
Date Sat
7/19
Sun
7/20
Mon
7/21
Tue
7/22
Wed
7/23
Weather Condition Thunder Storms Thunder Storms Mostly Cloudy Thunder Storms Thunder Storms
Weather Thunder Storms Thunder Storms Mostly Cloudy Thunder Storms Thunder Storms
Temperature (°F)
Low/High
73/88 74/91 74/92 75/92 75/93
Feels Like (°F)
Low/High
75/100 76/102 76/102 77/103 77/106
Dew Point (°F) 74 76 75 75 75
Humidity (%) 75 69 66 64 67
Wind Speed (mph) 5 5 4 4 4
Precipitation
Chance
(%)
40 40 - 25 45
Precipitation
Amount
(inches)
S=Snow, L=Liquid
Rain
0.16
Rain
0.09
None Rain
0.01
Rain
0.26
Evapo-
transpiration

(inches/day)
0.16 0.18 0.18 0.18 0.18

County Forecast for Port Allen , LA
 
190100-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
1232 PM CDT Fri Jul 18 2025

..flood watch remains in effect through late tonight   
This afternoon   Showers and thunderstorms likely. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
Tonight   Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 50 percent.
Saturday   Mostly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. Temperature falling into the mid 80s in the afternoon. South winds 5 to 10 mph. Chance of rain 60 percent.
Saturday night   Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 40 percent.
Sunday   Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 40 percent.
Sunday night   Mostly clear. Lows in the mid 70s.
Monday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent.
Monday night   Mostly clear. Lows in the mid 70s.
Tuesday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.
Tuesday night   Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Wednesday   Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 105.
Wednesday night   Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 70s. Chance of rain 40 percent.
Thursday   Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Temperature falling into the upper 80s in the afternoon. Chance of rain 70 percent. Heat index values up to 105.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Widespread Corn Belt Rain This Weekend

Potential severe weather and heavy rainfall for the Corn Belt. Heat will be building in the South and Southeast. » More DTN Weather Commentary

Posted at 12:09PM Fri Jul 18, 2025 CDT
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