Weather WorldPeterson, MS Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Peterson Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | | |  |  | | | | | | |
| Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny |
| Lo: 71°FLo: 22°C | Hi: 101°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM CDT Fri Sep 18 2026 
Peterson Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Peterson Weather Map
Peterson Quick Facts
Peterson Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 231 PM CDT Fri Sep 18 2026
Key Messages
- Hot temperatures continue this afternoon, but lower humidity will help to reduce heat stress, with dangerous levels of heat stress confined to north of Interstate 20.
- Dangerous levels of heat stress will build back in areawide this weekend through early next week before a front with drier air, lower dewpoints and pleasant temperatures/less heat into late next week.
Discussion
... Issued at 229 PM CDT Fri Sep 18 2026
Through Saturday: Record high temperatures along with higher humidity a...