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St. Jacob, IL

88°F
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St. Jacob

Illinois

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St. Jacob, 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
Friday, August 21

Day

8/21
90°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™ 94°
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
Sunny and humid

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindSSW 2 mph

Wind Gusts7 mph

Probability of Precipitation25%

Probability of Thunderstorms4%

Precipitation0.00 in

Cloud Cover3%

Morning

Afternoon

Night

8/21
67°Lo
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy and humid; a thunderstorm in spots late

WindSW 5 mph

Wind Gusts7 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.04 in

Rain Amount0.04 in

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Cloud Cover27%

Evening

Overnight

Sun & Moon

13 hrs 27 mins
Rise 6:18 AM
Set 7:45 PM
Waxing Gibbous
Rise 3:45 PM
Set 12:40 AM

Temperature History

8/21
High
Low
Forecast
90°
67°
Average
90°
65°
Last Year
82°
65°
Record
101°
2003
46°
1967

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World North America United States Illinois St. Jacob

Weather Near St. Jacob:

  • O'Fallon, MO
  • St. Charles, MO
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