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Jamestown Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | | | | | | |  |  | |
| Partly Cloudy | Mostly Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of T-Storm |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 PM CDT Wed Sep 16 2026 
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Issued: 721 PM CDT Wed Sep 16 2026
Key Messages
Issued at 1122 AM CDT Wed Sep 16 2026- A Heat Advisory remains in effect through 7 PM this evening, with further extension possible.
- Temperatures will remain in the mid to upper 90s through much of the weekend, although drier air moving in may provide some relief.
- Widespread rain chances could return to the region as soon as Monday and potentially continue through the remainder of the forecast period.
Discussion
... Issued at 1122 AM CDT Wed Sep 16 2026
Upper-level ridging remains over t...