Thornton, AR Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Thornton, AR in one place.
Sunny, with a high near 95. Heat index values as high as 103. Southwest wind around 5 mph.
Local Weather Overview
This forecast page for Thornton, AR 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: Aug 11, 2026 11:39 AM CDT.
The active forecast window currently covers Aug 11 to Aug 17, 2026 for Thornton, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 17, 2026
- Latest sync
- Aug 11, 2026 11:39 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Thornton
Sunday looks like the warmest upcoming period in Thornton at 99 degrees F.
Tonight is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Today at about 5 mph SW.
The forecast from Aug 11 through Aug 17 stays mostly dry.
Forecast Details
- Last updated
- Aug 11, 2026 11:39 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LZK
- Radar station
- KLZK
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 75. Heat index values as high as 100. South southwest wind 0 to 5 mph.
Sunny, with a high near 97. Heat index values as high as 102. Southwest wind around 5 mph.
Mostly clear, with a low around 77. Heat index values as high as 100. South southwest wind 0 to 5 mph.
Sunny, with a high near 97. Southwest wind around 5 mph.
Mostly clear, with a low around 76. South southwest wind 0 to 5 mph.
Sunny, with a high near 97. Southwest wind 0 to 5 mph.
Mostly clear, with a low around 75. South southwest wind around 0 mph.
Sunny, with a high near 98. Southwest wind 0 to 5 mph.
Mostly clear, with a low around 75.
Sunny, with a high near 99.
Mostly clear, with a low around 76.
Sunny, with a high near 99.
Mostly clear, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Aug 11
|
Sunny
|
95°F |
5 mph
SW
|
|
Tonight
Aug 11
|
Mostly Clear
|
75°F |
0 to 5 mph
SSW
|
|
Wednesday
Aug 12
|
Sunny
|
97°F |
5 mph
SW
|
|
Wednesday Night
Aug 12
|
Mostly Clear
|
77°F |
0 to 5 mph
SSW
|
|
Thursday
Aug 13
|
Sunny
|
97°F |
5 mph
SW
|
|
Thursday Night
Aug 13
|
Mostly Clear
|
76°F |
0 to 5 mph
SSW
|
|
Friday
Aug 14
|
Sunny
|
97°F |
0 to 5 mph
SW
|
|
Friday Night
Aug 14
|
Mostly Clear
|
75°F |
0 mph
|
|
Saturday
Aug 15
|
Sunny
|
98°F |
0 to 5 mph
SW
|
|
Saturday Night
Aug 15
|
Mostly Clear
|
75°F |
0 mph
|
|
Sunday
Aug 16
|
Sunny
|
99°F |
0 mph
|
|
Sunday Night
Aug 16
|
Mostly Clear
|
76°F |
0 mph
|
|
Monday
Aug 17
|
Sunny
|
99°F |
0 mph
|
|
Monday Night
Aug 17
|
Mostly Clear
|
76°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thornton.