Jamestown, ID 7-Day Weather Forecast
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Jamestown Weather Forecast


Jamestown, ID Weather Forecast Date: 1231 AM MDT Thu Sep 17 2026
Weather forecast for Jamestown, ID
| Today Hi: 79°FHi: 26°C Lo: 52°F Lo: 11°C |
Today... Rain showers likely and a slight chance of thunderstorms in the morning...Then a chance of showers and thunderstorms in the afternoon. Highs 75 to 82. East winds 10 to 15 mph...Shifting to southeast in the afternoon. |
| Fri Hi: 72°FHi: 22°C Lo: 46°F Lo: 8°C |
Friday... Partly sunny. A slight chance of rain in the morning... Then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 68 to 75. Southwest winds up to 10 mph...Increasing to 10 to 15 mph in the afternoon. Chance of precipitation 50%. |
| Sat Hi: 70°FHi: 21°C Lo: 46°F Lo: 8°C |
Saturday... Mostly sunny with a slight chance of rain. Highs 66 to 73. Southwest winds around 10 mph. Chance of precipitation 20%. |
| Sun Hi: 74°FHi: 23°C Lo: 46°F Lo: 8°C |
Sunday... Sunny. Highs 70 to 77. |
| Mon Hi: 79°FHi: 26°C Lo: 48°F Lo: 9°C |
Monday... Mostly clear. Highs 74 to 83. Lows 42 to 52. |
| Tue Hi: 79°FHi: 26°C Lo: 48°F Lo: 9°C |
Tuesday... Mostly clear. Highs 74 to 83. Lows 42 to 52. |
| Wed Hi: 79°FHi: 26°C Lo: 48°F Lo: 9°C |
Wednesday... Mostly clear. Highs 74 to 83. Lows 42 to 52. |
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