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St. Johns, IL

88°F
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St. Johns

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88°
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St. Johns, IL Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Thursday, July 17

Day

7/17
88°Hi
RealFeel® 106°
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™ 95°
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
Some sun, then clouds and humid; a couple of afternoon showers and a thunderstorm; thunderstorms can bring flash flooding and localized damaging wind gusts

Max UV Index11 (Extreme)

AccuLumen Brightness Index™6 (Medium)

WindWNW 7 mph

Wind Gusts18 mph

Probability of Precipitation89%

Probability of Thunderstorms53%

Precipitation0.43 in

Rain0.43 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover58%

Morning

Afternoon

Night

7/17
71°Lo
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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Cloudy and very humid with a couple of showers and a thunderstorm

WindNE 6 mph

Wind Gusts16 mph

Probability of Precipitation88%

Probability of Thunderstorms53%

Precipitation0.16 in

Rain0.16 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover99%

Evening

Overnight

Sun & Moon

14 hrs 30 mins
Rise 5:48 AM
Set 8:18 PM
Last Quarter
Rise --
Set 1:05 PM

Temperature History

7/17
High
Low
Forecast
88°
71°
Average
88°
68°
Last Year
85°
70°
Record
105°
1901
52°
1930

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World North America United States Illinois St. Johns

Weather Near St. Johns:

  • Cape Girardeau, MO
  • Carbondale, IL
  • Paducah, KY
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