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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Knoxville TN

7 Day Forecast

For More Weather Information:

Morristown, TN Local Forecast Office

Today

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 91 °F

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 72 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 90 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 69 °F

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 88 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 67 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 88 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 66 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 88 °F

Detailed Forecast

  • Today A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming northwest around 5 mph.
  • Tonight A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm.
  • Sunday A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming northeast around 5 mph in the morning.
  • Sunday Night A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm.
  • Monday A 20 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.
  • Monday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 67.
  • Tuesday Mostly sunny, with a high near 88.
  • Tuesday Night Partly cloudy, with a low around 66.
  • Wednesday Mostly sunny, with a high near 88.
  • Wednesday Night Partly cloudy, with a low around 67.
  • Thursday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
  • Friday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.