Jamestown Reservoir, TN 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Jamestown Reservoir, TN Weather Forecast


Jamestown Reservoir, TN Weather Forecast Date: 618 PM CDT Thu Aug 06 2026
The area/counties/county of: Fentress, including the cities of: Jamestown and Allardt.or toggle through each period.
Tonight... Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 40%.
Friday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds around 5 mph. Chance of rain 50%.
Friday Night... Mostly clear in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 50%.
Saturday... Mostly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 70%.
Saturday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Patchy fog. Lows in the upper 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20%.
Sunday... Patchy fog in the morning. Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20%.
Sunday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s.
Monday... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20%.
Monday Night... Partly cloudy. Lows in the lower 70s.
Tuesday... Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50%.
Tuesday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 50%.
Wednesday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60%.
Wednesday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50%.
Weather World