National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Current Conditions

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Mankato MN

7 Day Forecast

Overnight

Severe Thunderstorms Chance for Measurable Precipitation 90%

Severe
Thunderstorms

Low: 70 °F

Thursday

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

High: 92 °F

Thursday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 68 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 87 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 68 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 83 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 68 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 82 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 62 °F

Detailed Forecast

  • Overnight Showers and thunderstorms. Some storms could be severe, with large hail and heavy rain. Low around 70. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
  • Thursday Scattered showers and thunderstorms before 11am, then isolated showers and thunderstorms after 5pm. Some of the storms could produce heavy rain. Cloudy, then gradually becoming mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind around 10 mph becoming south southwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 68. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
  • Friday Mostly sunny, with a high near 87. Northeast wind around 5 mph.
  • Friday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Showers and thunderstorms likely. Mostly cloudy, with a high near 83. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East northeast wind around 10 mph.
  • Sunday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. East northeast wind around 10 mph becoming west southwest in the afternoon.
  • Sunday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind around 10 mph.
  • Monday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. West northwest wind around 10 mph.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. Northwest wind around 5 mph.
  • Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. East northeast wind around 5 mph becoming southeast in the afternoon.
  • Tuesday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 62. East southeast wind around 5 mph. Chance of precipitation is 60%.
  • Wednesday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Northeast wind 5 to 10 mph becoming west northwest in the afternoon.