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Mount Vernon, IL

81°F
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Mount Vernon, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, September 17

Day

9/17
99°Hi
RealFeel® 105°
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™ 100°
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
Partly sunny and record-tying temperatures with a thunderstorm in spots; caution advised if outside for extended periods of time
alerts

Heat Advisory

11:00 AM Tuesday - 7:00 PM Sunday

Max UV Index6.0 (High)

AccuLumen Brightness Index™8 (Bright)

WindW 6 mph

Wind Gusts13 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.08 in

Rain Amount0.08 in

Total Hours of Precipitation1

Total Hours of Rain1

Cloud Cover42%

Morning

Afternoon

Night

9/17
68°Lo
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mainly clear, warm and humid
alerts

Heat Advisory

11:00 AM Tuesday - 7:00 PM Sunday

WindSSW 2 mph

Wind Gusts5 mph

Probability of Precipitation7%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover23%

Evening

Overnight

Sun & Moon

12 hrs 22 mins
Rise 6:39 AM
Set 7:01 PM
Waxing Crescent
Rise 1:29 PM
Set 10:31 PM

Temperature History

9/17
High
Low
Forecast
99°
68°
Average
78°
56°
Last Year
93°
56°
Record
99°
1927
39°
2000

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