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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
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Mark Twain, MO

80°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Thursday, June 26

Day

6/26
96°Hi
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Mostly sunny and hot; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 8 mph

Wind Gusts16 mph

Probability of Precipitation20%

Probability of Thunderstorms5%

Precipitation0.00 in

Cloud Cover22%

Morning

Afternoon

Night

6/26
78°Lo
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

WindSSW 7 mph

Wind Gusts12 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover10%

Evening

Overnight

Sun & Moon

14 hrs 52 mins
Rise 5:38 AM
Set 8:30 PM
Waxing Crescent
Rise 6:34 AM
Set 10:09 PM

Temperature History

6/26
High
Low
Forecast
96°
78°
Average
88°
70°
Last Year
85°
71°
Record
102°
1954
51°
1958

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World North America United States Missouri Mark Twain

Weather Near Mark Twain:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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