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Flathead Picnic Area Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Rain and Snow | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Snow | Rain and Snow | Rain and Snow | Chance of Snow | Chance of Snow |
| Hi: 46°FHi: 8°C | Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C | Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C | Lo: 26°FLo: -3°C | Hi: 46°FHi: 8°C | Lo: 30°FLo: -1°C | Hi: 40°FHi: 4°C | Lo: 26°FLo: -3°C | Hi: 40°FHi: 4°C | Lo: 25°FLo: -4°C |
| POP: 90% | POP: 50% | POP: 50% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1229 AM MDT Fri Oct 23 2026 
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Issued: 1248 PM MDT Thu Oct 22 2026
Discussion
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KEY MESSAGES:- Change to more typical fall weather coming Friday.
Temperatures warm yet again towards late summer levels, however satellite clearly shows clouds moving up from the south.
Showers develop this evening from south to north. A few thunderstorms will also be possible in Idaho and Lemhi Counties. For most locations at least a tenth of an inch of rain is likely, in northwest MT precipitation will be showery along the front and there is a 40 to 60% chance of receiving up to a t...