Weather World
Lamar, MS Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lamar Weather Forecast
| TODAY | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | | | | | | |  |  | |  |
| Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 100°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C |
| POP: 30% | POP: 30% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 326 AM CDT Sun Sep 06 2026 
Lamar Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lamar Weather Map
Lamar Quick Facts
Lamar Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 601 AM CDT Sun Sep 6 2026
Key Messages
Issued at 601 AM CDT Sun Sep 6 2026- A Heat Advisory remains in effect today, with heat indices ranging from 100 to 110, and actual high temperatures ranging from 98 to 104. A weak frontal boundary will serve as a focus for a few thunderstorms over northern Mississippi this afternoon.
- For Monday, lower humidity will accompany highs in the mid to upper 90s. Those temperatures will continue through Thursday, as humidity returns, possibly necessitating a return of a Heat Advisory.
- A cold...