10-Day Weather Forecast - Petersburg, TN

Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Light and variable winds, becoming northeast around 5 mph in the afternoon. Chance of rain 20 percent. Heat index values up to 108.

Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable.

Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. West winds around 5 mph, becoming north in the afternoon. Chance of rain 20 percent. Heat index values up to 107.

Mostly clear. Lows in the lower 70s. North winds around 5 mph in the evening, becoming light and variable.

Patchy fog in the morning. Sunny, hot with highs in the mid 90s.

Mostly clear. Lows in the upper 60s.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.

Partly cloudy in the evening, then clearing. Lows in the upper 60s.

Mostly sunny. Highs in the lower 90s.

Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s.

Sunny. A slight chance of showers in the morning. Highs in the mid 90s. Chance of rain 20 percent.

Mostly clear. Lows around 70.

Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent.

Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 68F with an average humidity of 74%. Winds will be 4 mph from the S.

Mostly sunny with a 30% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 69F with an average humidity of 65%. Winds will be 4 mph from the W.

Partly cloudy with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 69F. Dew point will be around 68F with an average humidity of 77%. Winds will be 2 mph from the SW.

Mostly sunny. High temperature around 90F. Dew point will be around 67F with an average humidity of 63%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 68F. Dew point will be around 67F with an average humidity of 76%. Winds will be 2 mph from the S.