Peotone Weather

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 Details for Will County Heat Advisory
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Current Conditions

Updated: @ 29-Jun-2026 11:44am  
Summary / Temperature Wind Rain Outlook
Currently: 87, Max: 88, Min: 73 87°F
Warmer 3.0°F than last hour.

Extremely Hot

Feels like: 94°F

24-hr difference
8°FWarmer 8.0°F than yesterday at this time.
  Today Yesterday
High: 88°F
11:35am 		84°F
1:58pm
Low: 73°F
5:50am 		63°F
4:32am
Wind from S S
13
Gust:
 21 mph
4 Bft - Moderate breeze
Today: 25 mph 10:21am
Gust Month: 48 mph June 10
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 11.23 in
Season Total: 24.27 in
4 days since last rain.
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 76 % Decreased 5.0% since last hour.
Dew Point: 79°F Increased 1.0°F since last hour.
Barometer: 29.94 inHg  
Baro Trend: Steady
Sunrise: 5:19am
Sunset: 8:30pm
Moonset: 4:34am
Moonrise: 8:48pm
Full Moon
Full Moon, Moon at 14 days in cycle
100%
Illuminated
UV Index Solar Radiation
   8.2     Very High 
High: 8.4 @ 11:36am
838 W/m2
High: 956 @  11:37am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny
Mostly Sunny

Hi 92 °F		 NWS forecast: Mostly sunny. High near 92, with temperatures falling to around 90 in the afternoon. Heat index values as high as 104. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Davis VP+ forecast: Increasing clouds with little temperature change
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 75 °F		 NWS forecast: Partly cloudy, with a low around 75. Heat index values as high as 100. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.


National Weather Service Forecast for Peotone!

Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Clear
Clear
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Friday

Friday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Hi 93 °FLo 74 °FHi 95 °FLo 76 °FHi 93 °FLo 73 °FHi 90 °F

County Advisories
m

Todays Hi / Low
Daily Extremes
High Humidity 98%  6:43am
Low Humidity 0.05%  11:36am
High Dew Point 80  11:15am
Low Dew Point 71°F  5:10am
Low Wind Chill 73 5:50am
High Heat Index 103 11:15am

Current Snow
Snow
Storm Total 0.0 in
Total Snow Depth 0.0 in
Ice 0.0 in
Winter(2025-2026) 29.1 in

Evapotranspiration
Today/Month/Year
Today 0.05 in
Today's Rate 0.01 in/hr
Month High 0.28 in  6/4/26
Month Average 0.07 in
Year High 0.28 in  6/4/26
Year Average 0.03 in

UV / Solar Data
UV Month/Year
Monthly High 10.2  6/10/26
Yearly High 10.2 6/10/26
Solar Radiation Month/Year
Monthly High 1303 W/m2 6/27/26
Yearly High 1308 W/m2 4/30/26

Barometer
Daily/Month/Year
Daily High 29.96 inHg 7:59am
Daily Low 29.91 inHg 12:48am
Monthly High 30.37 inHg 6/3/26
Monthly Low 29.37 inHg 6/17/26
Yearly High 30.85 inHg 1/23/26
Yearly Low 29.20 inHg 3/15/26

Records and Average Hi/Low for Peotone

Records and Average Hi/Low for this date in Peotone Record Hi Record Low Record Rain Record Gust 19yr avg Hi/Low
***Records and average Hi/Low temps from data collected at peotoneweather.com since April 2007 94°F
2025		 53°F
2016		 0.81in
2015		 60mph
2012		 85°F / 65°F

Peotone's Yearly Records 2006-2026

 High Temperature  Low Temperature  High Wind Gust  High Heat Index  Low Wind Chill
 2006  99°F  7/31/06  2006  -05°F  02/18/06  2006  93mph  10/02/06  2006  n/a    2006  n/a  
 2007  95°F  6/14/07  2007  -04°F  12/06/07  2007  60mph  10/21/07  2007  n/a    2007  n/a  
 2008  98°F  9/02/08  2008  -09°F  1/25/08  2008  60mph  1/29/08  2008  n/a    2008  n/a  
 2009  96°F  6/24/09  2009  -20°F  1/16/09  2009  49mph  3/08/09  2009  109°F  6/19/09  2009  -41°F  1/16/09
 2010  94°F  7/04/10  2010  -05°F  1/10/10  2010  48mph  10/27/10  2010  116°F  7/23/10  2010  -21°F  1/03/10
 2011  101°F  7/21/11  2011  -08°F  2/10/11  2011  48mph  11/13/11  2011  121°F  7/20/11  2011  -25°F  1/10/11
 2012  100°F  7/07/12  2012  +03°F  1/20/12  2012  60mph  6/29/12  2012  118°F  7/06/12  2012  -07°F  1/20/12
 2013  96°F  7/18/13  2013  -03°F  12/12/13  2013  60mph  6/12/13  2013  111°F  7/19/13  2013  -21°F  12/12/13
 2014  92°F  5/08/14  2014  -14°F  01/06/14  2014  67mph  8/21/14  2014  113°F  8/25/14  2014  -45°F  1/06/14
 2015  92°F  7/17/15  2015  -08°F  02/27/15  2015  60mph  11/12/15  2015  115°F  7/17/15  2015  -30°F  1/08/15
 2016  94°F  6/10/16  2016  -11°F  12/19/16  2016  53mph  02/19/16  2016  116°F  7/24/16  2016  -24°F  12/19/16
 2017  96°F  6/12/17  2017  -07°F  12/27/17  2017  59mph  02/28/17  2017  109°F  7/19/17  2017  -21°F  12/27/17
 2018  99°F  5/27/18  2018  -14°F  01/02/18  2018  51mph  10/20/18  2018  116°F  6/30/18  2018  -33°F  01/02/18
 2019  97°F  7/20/19  2019  -23°F  01/30/19  2019  58mph  02/24/19  2019  115°F  7/19/19  2019  -58°F  01/30/19
 2020  95°F  7/07/20  2020  -08°F  02/14/20  2020  53mph  11/15/20  2020  112°F  7/26/20  2020  -24°F  01/19/20
 2021  96°F  8/24/21  2021  -13°F  02/07/21  2021  55mph  12/16/21  2021  123°F  8/10/21  2021  -30°F  02/07/21
 2022  100°F  6/14/22  2022  -11°F  01/26/22  2022  69mph  08/29/22  2022  119°F  7/05/22  2022  -41°F  12/26/22
 2023  97°F  8/24/23  2023  1.3°F  01/31/23  2023  66mph  03/31/23  2023  124°F  8/24/23  2023  -20°F  2/03/23
 2024  96°F  8/27/24  2024  -10°F  01/14/24  2024  54mph  12/04/24  2024  119°F  8/27/24  2024  -40°F  1/14/24
 2025  95°F  6/21/25  2025  -07°F  01/21/25  2025  62mph  05/15/25  2025  112°F  6/21/25  2025  -31°F  1/21/25
 2026  90°F  5/27/26  2026  -6°F  1/23/26  2026  61mph  03/13/26  2026  104°F  6/10/26  2026  -32°F  1/23/26

Season Countdown

 It is Summer. Fall (Autumn Equinox) begins September 22nd at 7:05pm CDT 
 

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