National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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Mammoth Cave KY

7 Day Forecast

For More Weather Information:

Louisville, KY Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 40%

Heavy
Rain

High: 93 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 73 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 91 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 72 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 90 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 70 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 89 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 69 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 88 °F

Detailed Forecast

  • Today Scattered showers and thunderstorms, mainly after 11am. Some of the storms could produce heavy rain. Partly sunny, with a high near 93. Heat index values as high as 100. Light and variable wind. Chance of precipitation is 40%.
  • Tonight A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
  • Sunday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
  • Sunday Night A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Light and variable wind.
  • Monday A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 3 to 6 mph.
  • Monday Night Partly cloudy, with a low around 70.
  • Tuesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
  • Tuesday Night Partly cloudy, with a low around 69.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
  • Thursday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
  • Friday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.