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Jamestown, ID Weather Forecast

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Jamestown, ID Weather Forecast

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Jamestown ID weather - Clear - 48°F
Clear
48°F
Updated 3:07 am
Feels Like 49°F
Humidity 79%
Wind N 0 mph
Barometer  30.11 in
Dew Point 42°F
Jamestown ID weather - Clear - 9°C
Clear
9°C
Updated 3:07 am
Feels Like 9°C
Humidity 79%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 6°C
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Jamestown Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Jamestown, ID Weather - Today Sunny Jamestown, ID Weather - Tonight Mostly Clear Jamestown, ID Weather - Friday Mostly Sunny Jamestown, ID Weather - Friday Night Partly Cloudy Jamestown, ID Weather - Saturday Mostly Sunny Jamestown, ID Weather - Saturday Night Mostly Clear Jamestown, ID Weather - Sunday Mostly Clear Jamestown, ID Weather - Monday Partly Sunny Jamestown, ID Weather - Monday Night Partly Cloudy Jamestown, ID Weather - Tuesday Mostly Clear Jamestown, ID Weather - Tuesday Night Mostly Clear Jamestown, ID Weather - Wednesday Sunny
Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny Mostly Clear Mostly Clear Partly Sunny Partly Cloudy Mostly Clear Mostly Clear Sunny
Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 81°FHi: 27°C
 Lo: 50°FLo: 10°C Hi: 77°FHi: 25°C
 Hi: 82°FHi: 28°C
Lo: 48°FLo: 9°C		 Hi: 82°FHi: 28°C
Lo: 48°FLo: 9°C		 Hi: 80°FHi: 27°C
 Lo: 46°FLo: 8°C Hi: 77°FHi: 25°C
Lo: 42°FLo: 6°C		 Hi: 77°FHi: 25°C
Lo: 42°FLo: 6°C		 Hi: 77°FHi: 25°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Thu Oct 01 2026 Jamestown, ID Weather - WeatherWorld.com

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Issued: 155 AM MDT Thu Oct 1 2026

Key Messages

  • Prolonged Quiet Weather Period: High pressure and dry air will keep eastern Idaho completely dry with minimal cloud cover through the workweek, upcoming weekend, and into early October.
  • Unseasonable Late-Week Warmth: An amplifying Great Basin ridge will boost lower-elevation temperatures into the upper 70s and lower 80s starting today and continuing through the weekend.
  • No Fall-Like Weather in Sight: High confidence exists for above-normal temperatures and suppressed precipitation ex...