Grand River, LA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grand River, LA in one place.
A slight chance of showers and thunderstorms. Mostly sunny. High near 95, with temperatures falling to around 93 in the afternoon. Heat index values as high as 106. East wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Grand River, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 7:49 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Grand River, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 7:49 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand River
Sunday looks like the warmest upcoming period in Grand River at 96 degrees F.
Thursday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph NE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 7:49 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LIX
- Radar station
- KLIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Heat index values as high as 105. Southeast wind around 0 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny. High near 94, with temperatures falling to around 89 in the afternoon. Heat index values as high as 107. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 75. East wind 5 to 10 mph.
Sunny, with a high near 94. East wind 5 to 10 mph.
Clear, with a low around 69. East wind 0 to 5 mph.
Sunny, with a high near 94. Northeast wind 0 to 5 mph.
Clear, with a low around 70. East wind 0 to 5 mph.
Sunny, with a high near 95. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 73. South wind 0 to 5 mph.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 96. East wind 0 to 5 mph.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Southwest wind around 0 mph.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Northeast wind 0 to 5 mph.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Southwest wind around 0 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Sep 15
|
Slight Chance Showers And Thunderstorms
|
95°F |
5 mph
E
|
|
Tonight
Sep 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
76°F |
0 mph
|
|
Wednesday
Sep 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
75°F |
5 to 10 mph
E
|
|
Thursday
Sep 17
|
Sunny
|
94°F |
5 to 10 mph
E
|
|
Thursday Night
Sep 17
|
Clear
|
69°F |
0 to 5 mph
E
|
|
Friday
Sep 18
|
Sunny
|
94°F |
0 to 5 mph
NE
|
|
Friday Night
Sep 18
|
Clear
|
70°F |
0 to 5 mph
E
|
|
Saturday
Sep 19
|
Sunny
|
95°F |
0 to 5 mph
NE
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
73°F |
0 to 5 mph
S
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
96°F |
0 to 5 mph
E
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms then Mostly Clear
|
74°F |
0 mph
|
|
Monday
Sep 21
|
Sunny then Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
NE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand River.