Lamar, AR Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Lamar, AR in one place.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 4pm, then showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 83 in the afternoon. East wind around 0 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Lamar, 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: Jul 14, 2026 3:23 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Lamar, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:23 PM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Lamar
Monday looks like the warmest upcoming period in Lamar at 99 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 3:23 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LZK
- Radar station
- KSRX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before midnight. Partly cloudy, with a low around 70. Northwest wind around 0 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. West wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West wind 0 to 5 mph. Chance of precipitation is 30%.
Sunny, with a high near 92. West wind 0 to 5 mph.
Mostly clear, with a low around 73. West southwest wind 0 to 5 mph.
Sunny, with a high near 95. West wind 0 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 74.
Sunny, with a high near 97.
Mostly clear, with a low around 75.
Sunny, with a high near 99.
Mostly clear, with a low around 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
87°F |
0 mph
|
|
Wednesday Night
Jul 15
|
Showers And Thunderstorms Likely then Partly Cloudy
|
70°F |
0 mph
|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
0 to 5 mph
W
|
|
Friday
Jul 17
|
Sunny
|
92°F |
0 to 5 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear
|
73°F |
0 to 5 mph
WSW
|
|
Saturday
Jul 18
|
Sunny
|
95°F |
0 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
74°F |
0 to 5 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
97°F |
0 to 10 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
75°F |
0 to 5 mph
WSW
|
|
Monday
Jul 20
|
Sunny
|
99°F |
0 to 10 mph
W
|
|
Monday Night
Jul 20
|
Mostly Clear
|
77°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lamar.