A combination of high heat and humidity, with temperatures reaching the 90s and dew points in the 70s, pushed the heat index to a little above 100 degrees during the afternoon and early evening hours. The heat was felt mainly west of the James River on June 26th, and over the southeast corner of the state on June 27th.

Excessive Heat in BEADLE, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in JERAULD, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in SANBORN, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in BRULE, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in AURORA, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in DAVISON, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in HANSON, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in GREGORY, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in CHARLES MIX, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in DOUGLAS, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in HUTCHINSON, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in BON HOMME, SOUTH DAKOTA
From 26-JUN-12 12:00:00 to 26-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in MINNEHAHA, SOUTH DAKOTA
From 27-JUN-12 11:00:00 to 27-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in TURNER, SOUTH DAKOTA
From 27-JUN-12 11:00:00 to 27-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in LINCOLN, SOUTH DAKOTA
From 27-JUN-12 11:00:00 to 27-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in YANKTON, SOUTH DAKOTA
From 27-JUN-12 11:00:00 to 27-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in CLAY, SOUTH DAKOTA
From 27-JUN-12 11:00:00 to 27-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.

Excessive Heat in UNION, SOUTH DAKOTA
From 27-JUN-12 11:00:00 to 27-JUN-12 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reaching the 90s and high humidity with dew points in the 70s caused excessive heat, with the heat index peaking between 100 and 105 degrees.