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Upper Mash Rapids Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Showers | Showers | Chance of Showers | Partly Sunny |
| Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 100% | POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 80% | POP: 80% | POP: 70% | POP: 60% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 703 PM EDT Sat Sep 19 2026 
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Issued: 804 PM EDT Sat Sep 19 2026
Key Messages
1) Unsettled through mid week, with daily chances of locally heavy downpours and a few strong to severe thunderstorms.
Discussion
... KEY MESSAGE 1...
An upper-level trough and low, currently located over southern Idaho, is projected to track east into the central Plains this weekend into early next week. As it approaches, a weak ridge of high pressure will retreat south, permitting a series of disturbances to traverse the Middle Ohio Valley (MOV) and Central Appalachians, amid otherwis...