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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Grain Valley MO

7 Day Forecast

Today

Sunny

Sunny

High: 94 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 75 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 95 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 73 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 94 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 73 °F

Sunday

Sunny

Sunny

High: 95 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 72 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 91 °F

Detailed Forecast

  • Today Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.
  • Tonight Partly cloudy, with a low around 75. South southwest wind 8 to 10 mph.
  • Friday Mostly sunny, with a high near 95. Heat index values as high as 102. South southwest wind 7 to 14 mph, with gusts as high as 18 mph.
  • Friday Night Partly cloudy, with a low around 73. South wind around 9 mph.
  • Saturday Mostly sunny, with a high near 94. South southwest wind 7 to 11 mph.
  • Saturday Night Mostly clear, with a low around 73.
  • Sunday Sunny, with a high near 95.
  • Sunday Night Partly cloudy, with a low around 72.
  • Monday Mostly sunny, with a high near 91.
  • Monday Night Partly cloudy, with a low around 70.
  • Tuesday Mostly sunny, with a high near 92.
  • Tuesday Night Partly cloudy, with a low around 72.
  • Wednesday A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.