Peterson, MS Weather Forecast
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Peterson Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 636 AM CDT Sun Sep 20 2026 

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Issued: 612 AM CDT Sun Sep 20 2026
Key Messages
- Dangerous levels of heat stress will build back in areawide through early next week before a front brings drier air and more pleasant temperatures late next week.
Discussion
... Issued at 1210 AM CDT Sun Sep 20 2026
Another hot day is on tap for today as an H590 ridge continues to prevail over the area. Highs will be in the mid 90s to around 100 across the area with heat indices ranging from 100-105. Expect mostly dry conditions, but there could be a stray shower in the southeast. /15/
M...
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