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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right

St. Peter, IL

81°F
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St. Peter

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St. Peter, IL Weather
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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, June 22

Current Weather

8:16 AM

81°F
Sunny
RealFeel® 91°
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
RealFeel Shade™ 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel®
91°
RealFeel Shade™
87°
Max UV Index
3 Moderate
Wind
SSW 6 mph
Wind Gusts
12 mph
Humidity
81%
Indoor Humidity
81% (Extremely Humid)
Dew Point
74° F
Pressure
↔ 30.13 in
Cloud Cover
0%
Visibility
10 mi
Cloud Ceiling
33400 ft

Day

6/22
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
Sunny and very hot; stay hydrated when outside in the heat
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSSW 9 mph

Wind Gusts21 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover8%

Morning

Afternoon

Night

6/22
75°Lo
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, very warm and humid
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

WindS 6 mph

Wind Gusts14 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 53 mins
Rise 5:31 AM
Set 8:24 PM
Waning Crescent
Rise 2:38 AM
Set 5:49 PM

Temperature History

6/22
High
Low
Forecast
96°
75°
Average
86°
66°
Last Year
94°
73°

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World North America United States Illinois St. Peter

Weather Near St. Peter:

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