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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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St. Jacob, IL

85°F
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St. Jacob, IL Weather
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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Thursday, June 26

Day

6/26
95°Hi
RealFeel® 103°
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™ 97°
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 much of the time 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 Gusts18 mph

Probability of Precipitation5%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover14%

Morning

Afternoon

Night

6/26
75°Lo
RealFeel® 79°
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 6 mph

Wind Gusts14 mph

Probability of Precipitation4%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover1%

Evening

Overnight

Sun & Moon

14 hrs 53 mins
Rise 5:35 AM
Set 8:28 PM
Waxing Crescent
Rise 6:31 AM
Set 10:06 PM

Temperature History

6/26
High
Low
Forecast
95°
75°
Average
90°
67°
Last Year
84°
70°
Record
103°
1954
48°
1979

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World North America United States Illinois St. Jacob

Weather Near St. Jacob:

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