Manhattan, MT Weather Forecast
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Manhattan Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C Lo: 45°FLo: 7°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1022 AM MDT Sat Sep 12 2026 

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Issued: 1137 AM MDT Sat Sep 12 2026
Key Messages
-Mountain snow of 1-3" confined to the highest peaks of the Rocky Mountain Front with no expected pass impacts.
-Additional rounds of showers through Sunday bringing rain and gusty winds with any storms that are able to develop Sunday evening.
-Widespread gusty winds Sunday and Monday with High Wind Watch out for the Madison River Valley.
Discussion
... /Issued 525 AM MDT Sat Sep 12 2026/
A weak upper-level ridge briefly builds in through Today, bringing cool and mostly dry conditions acr...
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