Heat Index Briefing

For the Missouri Ozarks and southeast Kansas
Maximum Heat Index Forecast for the next 7 days.
Hourly Heat Index Forecast for the next 7 days.

Heat Outlook

 The following forecast graphics are generated nationally by the Hydrometeorological Prediction Center.

 

Day 3
Day 4
Day 5
CLICK to view day 3 forecast
CLICK to view day 4 forecast
CLICK to view day 5 forecast
Day 6
Day 7
CLICK to view day 6 forecast
CLICK to view day 7 forecast

 Click here for more Heat Index outlooks from the Hydrometeorological Prediction Center.


 Heat Index Chart 

 

                    relative humidity %

t

e

m

p

e

r

a

t

u

r

e

 

F

40

45

50

55

60

65

70

75

80

85

90

108 130 137                  
106 124 130 137                

104

119

124

131

137

 

 

 

 

 

 

 

102

114

119

124

130

137

 

 

 

 

 

 

100

109

114

119

124

129

136

 

 

 

 

 

98

106

109

113

117

123

128

134

 

 

 

 

96

101

104

108

112

116

121

126

132

 

 

 

94

97

100

102

106

110

114

119

124

129

135

 

92

94

96

99

101

105

108

112

116

121

126

131

90

91

93

95

97

100

103

106

109

113

117

122

88

88

89

91

93

95

98

100

103

106

110

113

86

86

87

88

89

91

93

95

97

100

102

105

Heat Index Chart

 

 


 

Safety Information

 

Heat Index & Related Heat Disorder

> 130 F

Heat stroke likely

105 - 130 F

Sunstroke, Heat Cramps or Heat Exhaustion likely

90 - 105 F

Sunstroke, Heat Cramps or Heat

Exhaustion likely

 

 

 Safety Tips

  • Drink plenty of water or natural fruit juices

  • Wear loose fitting clothes

  • Avoid alcoholic beverages

  • Use sun screen

  • Eat frequent small meals

Heat Disorder & Related Symptoms

Sunburn

Redness & pain. Swelling of skin, blisters, fever, headaches.

Heat Cramps

Painful spasms usually in muscle of legs and abdomen.

Heat Exhaustion

Heavy sweating, weakness, skin cold, pale & clammy. Fainting & vomiting.

Heat Stroke

High body temperature (>105) Hot dry skin. Rapid pulse. Possible unconsciousness.

 

 

 Go to our Summer Weather Safety page for more information on how to safe in the sun.

 


 

Climate

 

 

THE SUMMER SEASON

 FIVE HIGHEST AVERAGE MONTHLY TEMPERATURES   FIVE LOWEST AVERAGE MONTHLY TEMPERATURES  
JUNE YEARS JULY YEARS AUGUST YEARS JUNE YEARS JULY YEARS AUGUST YEARS
81.1 1952 85.4 1934 84.4 1936 66.8 1928 71.7 1950 68.8 1915
80.8 1953 84.8 1954 83.5 1938 67.2 1903 71.9 1905 71.1 1992
79.4 1934 84.2 1936 83.4 1983 68.3 1974 72.8 1906 72.3 1967
78.8 1914 83.9 1901 82.9 1980 68.5 1955 73.2 1924 73 1889
78.6 1911 83.8 1980 82 1912 68.6 1912 73.5 1967 73.2 1890

 

 

Seasonal Records 
WARMEST   COLDEST
TEMP. YEAR   TEMP. YEAR
82.1 1936   71 1915
81.9 1934   71.6 1950
81.3 1954   71.8 1927
80.7 1980   72.6 1906
79.9 1901   72.7 1992

 

 


 

Related Links

 

 

NWS Heat Safety:  http://www.nws.noaa.gov/om/heat/index.shtml

 

Missouri Department of Health: http://www.health.state.mo.us

 

 


 

 

NWS Heat Related Products

 

To advise you of the potential of excessive heat, your National Weather Service in Springfield will issue a:

 

Heat Advisory - Heat Index (HI) of  105 F for 3 hours and a minimum 24 hour HI in the middle 70s.

 

Excessive Heat Warning - Heat Index (HI) of  115 F for 3 hours and a minimum 24 hour HI in the middle 70s.  Warnings are also issued when the HI exceeds 105 F for 3 consecutive days 

 

Hazardous Weather Outlook- Daily at 6 AM and 1 PM to highlight the potential of any hazardous weather over the next few days.

 


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