Update: 11:57 a.m.: The National Weather Service has issued a tornado watch for Montgomery County and much of the area until 7 p.m.

Showers and thunderstorms are expected in Montgomery County Tuesday along and ahead of a cold front. Some of the thunderstorms may become severe and produce damaging wind gusts and isolated tornadoes, according to the National Weather Service (NWS).

Periods of heavy downpours are also expected, which could lead to localized flash flooding.

The severe weather is likely to run from 12 p.m. to 6 p.m., NWS says.

Tuesday evening, patchy fog is expected along with showers and a chance of thunderstorms.

Highs are expected to be in the mid 70s during the day with the chance of rain near 100 percent and lows in the mid 50s are expected at night with the chance of rain near 100 percent.