Joliet, IL

9:24 PM CDT on July 20, 2017(GMT -0500) units: °F | °C
Active Advisory: Flash Flood Watch (US Severe Weather) Active Notice: Flash Flood Watch
Tropical Weather: Tropical Storm Fernanda (East Pacific) Tropical Storm Greg (East Pacific) Post-Tropical Cyclone Eight-E (East Pacific) Tropical Depression Seven (Western Pacific)
Current Conditions
Updated 9:15 PM CDT
Now
Overcast
Overcast
Temperature
83°F
Feels Like 92°F
Wind(mph)
5
Sunrise / Set
5:36 AM
8:21 PM
Moon
Waning Crescent
Dew point: 78°F Pressure: 29.96 in Heat Index: 92°F ° Humidity: 85% Visibility: 10.0 mi UV Index:

Forecast
7-Day Weather Forecast for Joliet
Thursday, 20
Chance of a Thunderstorm
88 | 71 °F
Chance of T-storms
Chance of
Precipitation
40%
Friday, 21
Chance of a Thunderstorm
89 | 75 °F
Chance of T-storms
Chance of
Precipitation
40%
Saturday, 22
Chance of a Thunderstorm
88 | 71 °F
Chance of T-storms
Chance of
Precipitation
60%
Sunday, 23
Partly Cloudy
90 | 64 °F
Partly Cloudy
Chance of
Precipitation
20%
Monday, 24
Partly Cloudy
77 | 61 °F
Partly Cloudy
Chance of
Precipitation
10%
Tuesday, 25
Clear
81 | 61 °F
Clear
Chance of
Precipitation
10%
Wednesday, 26
Partly Cloudy
85 | 67 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 27
Chance of a Thunderstorm
86 | 70 °F
Chance of T-storms
Chance of
Precipitation
40%
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Thursday

chancetstorms
Scattered thunderstorms. Lows overnight in the low 70s.
Thursday Night

nt_chancetstorms
Scattered thunderstorms. Low 71F. Winds light and variable. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 69 87 | 76 86 | 80 77 | 74
Wind 10 mph North 10 mph SW 4 mph N 3 mph ENE
Humidity 96% 71% 80% 92%
Chance of Precip. 0% 0% 10% 40%
Cloud Cover % % 76% 60%
Conditions Overcast Clear Mostly Cloudy Chance of a Thunderstorm
Sunrise & Sunset
5:36 AM
8:21 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Friday

chancetstorms
Cloudy early. Scattered thunderstorms developing later in the day. A few storms may be severe. High 89F. Winds ESE at 5 to 10 mph. Chance of rain 40%.
Friday Night

nt_tstorms
Mostly cloudy in the evening, then thunderstorms developing after midnight. A few storms may be severe. Low near 75F. Winds S at 5 to 10 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 72 85 | 72 83 | 75 77 | 74
Wind 1 mph E 4 mph ESE 6 mph SSE 6 mph S
Humidity 99% 65% 76% 91%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 75% 78% 63% 78%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:37 AM
8:20 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Saturday

chancetstorms
Scattered thunderstorms in the morning, with mostly cloudy skies late. High 88F. Winds WSW at 5 to 10 mph. Chance of rain 60%.
Saturday Night

nt_partlycloudy
A few clouds. Low 71F. Winds NNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 76 | 74 80 | 74 86 | 76 76 | 74
Wind 4 mph WSW 7 mph SW 7 mph WNW 4 mph NNW
Humidity 92% 82% 73% 95%
Chance of Precip. 60% 20% 10% 10%
Cloud Cover 85% 79% 64% 35%
Conditions Thunderstorm Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
5:38 AM
8:19 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Sunday

partlycloudy
Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High around 90F. Winds WNW at 5 to 10 mph.
Sunday Night

nt_clear
Clear. Low 64F. Winds NNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 71 85 | 69 85 | 71 72 | 67
Wind 1 mph WNW 7 mph WNW 8 mph WNW 3 mph NNW
Humidity 97% 60% 62% 85%
Chance of Precip. 10% 20% 10% 10%
Cloud Cover 47% 62% 41% 8%
Conditions Partly Cloudy Mostly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:39 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Monday

partlycloudy
Sunshine and clouds mixed. High 77F. Winds NNE at 5 to 10 mph.
Monday Night

nt_clear
Clear. Low 61F. Winds NNE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 75 | 61 75 | 60 65 | 59
Wind 5 mph NNE 7 mph NNE 9 mph NNE 3 mph NNE
Humidity 88% 61% 59% 80%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 8% 33% 37% 6%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Tuesday

clear
Sunny skies. High 81F. Winds ENE at 5 to 10 mph.
Tuesday Night

nt_clear
Mostly clear skies. Low 61F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 59 76 | 58 79 | 61 66 | 60
Wind 2 mph ENE 4 mph ENE 6 mph ENE 3 mph ESE
Humidity 90% 55% 54% 80%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 4% 4% 6% 24%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Wednesday

partlycloudy
Partly cloudy skies. High near 85F. Winds light and variable.
Wednesday Night

nt_partlycloudy
A few clouds. Low 67F. Winds light and variable.
Thursday

chancetstorms
Scattered thunderstorms in the morning, then cloudy skies late. High 86F. Winds SW at 5 to 10 mph. Chance of rain 40%.
Thursday Night

nt_chancetstorms
Isolated thunderstorms in the evening, mainly cloudy overnight with a few showers. Low around 70F. Winds light and variable. Chance of rain 30%.
Friday

clear
Sun and a few passing clouds. High around 85F. Winds NE at 5 to 10 mph.
Friday Night

nt_clear
Clear skies. Low 67F. Winds light and variable.
Saturday

partlycloudy
Intervals of clouds and sunshine. High 86F. Winds NE at 5 to 10 mph.
Saturday Night

nt_clear
Clear skies. Low around 65F. Winds E at 5 to 10 mph.
Sunday

partlycloudy
Partly cloudy skies. High 86F. Winds light and variable.
Sunday Night

nt_chancetstorms
Isolated thunderstorms during the evening, then skies turning mostly clear overnight. Low 66F. Winds light and variable. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 80 | 62 82 | 65 72 | 64
Wind 1 mph ESE 3 mph SE 6 mph SSE 3 mph S
Humidity 88% 55% 58% 75%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 26% 34% 45% 38%
Conditions Clear Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Thursday

chancetstorms
Scattered thunderstorms in the morning, then cloudy skies late. High 86F. Winds SW at 5 to 10 mph. Chance of rain 40%.
Thursday Night

nt_chancetstorms
Isolated thunderstorms in the evening, mainly cloudy overnight with a few showers. Low around 70F. Winds light and variable. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 64 80 | 69 83 | 70 75 | 71
Wind 3 mph S 6 mph SSW 6 mph WSW 2 mph SW
Humidity 86% 67% 64% 86%
Chance of Precip. 20% 30% 20% 40%
Cloud Cover 56% 80% 49% 50%
Conditions Partly Cloudy Chance of a Thunderstorm Partly Cloudy Chance of Rain
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Friday

clear
Sun and a few passing clouds. High around 85F. Winds NE at 5 to 10 mph.
Friday Night

nt_clear
Clear skies. Low 67F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 69 81 | 68 83 | 69 73 | 69
Wind 4 mph ENE 7 mph NE 6 mph NE 1 mph NNE
Humidity 93% 64% 63% 85%
Chance of Precip. 30% 10% 10% 20%
Cloud Cover 40% 23% 12% 8%
Conditions Chance of Rain Clear Clear Clear
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Saturday

partlycloudy
Intervals of clouds and sunshine. High 86F. Winds NE at 5 to 10 mph.
Saturday Night

nt_clear
Clear skies. Low around 65F. Winds E at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 67 81 | 68 83 | 69 71 | 65
Wind 1 mph NNE 3 mph NE 6 mph ENE 2 mph ENE
Humidity 97% 64% 63% 83%
Chance of Precip. 20% 10% 10% 20%
Cloud Cover 8% 38% 15% 15%
Conditions Clear Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  
Source: NWS at 2:52 PM CDT on July 20, 2017
Regional Forecast for Joliet
Sunday

partlycloudy
Partly cloudy skies. High 86F. Winds light and variable.
Sunday Night

nt_chancetstorms
Isolated thunderstorms during the evening, then skies turning mostly clear overnight. Low 66F. Winds light and variable. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 65 81 | 67 84 | 67 72 | 67
Wind 0 mph W 2 mph W 4 mph SSW 3 mph SSW
Humidity 97% 64% 58% 85%
Chance of Precip. 20% 10% 20% 30%
Cloud Cover 14% 42% 41% 35%
Conditions Clear Partly Cloudy Partly Cloudy Chance of a Thunderstorm
Sunrise & Sunset
5:40 AM
8:18 PM
Source: Weather Underground BestForecast  

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Precipitation
 
History & Almanac
July 20, 2017 Max Temp Min Temp
Normal (KARR) 81°F 60°F
Record (KARR) 97°F (2011) 51°F (2009)
Yesterday 93°F 70°F
Historical
       
Astronomy
Jul. 20, 2017 Rise Set
Actual Time 5:36 AM CDT 8:21 PM CDT
Civil Twilight 5:04 AM CDT 8:53 PM CDT
Nautical Twilight 4:23 AM CDT 9:34 PM CDT
Astronomical Twilight 3:36 AM CDT 10:20 PM CDT
Moon 2:51 AM CDT (7/20) 5:41 PM CDT (7/20)
Length of Visible Light 15h 49m
Length of Day
14h 45m
Tomorrow will be 1m 42s shorter.
Waning Crescent, 8% of the Moon is Illuminated
Today
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter

Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Web
Hunt Club, Shorewood, IL 81.0°F 76°F 85% ESE  at  0.0 mph 0.00 in / hr 607 ft 9:23 PM CDT  
Wesmere Country Club, Plainfield, IL 82.4°F 76°F 82% ESE  at  3.8 mph 0.00 in / hr 620 ft 9:23 PM CDT  
Fond Du Lac, Plainfield, IL 81.6°F 77°F 85% East  at  0.0 mph 0.00 in / hr 625 ft 9:15 PM CDT
Small Town USA, Plainfield, IL 80.3°F 72°F 76% South  at  0.0 mph 0.00 in / hr 600 ft 9:23 PM CDT  
Crystal Lawns, Joliet, IL 80.8°F 73°F 78% ESE  at  0.0 mph - / hr 591 ft 9:23 PM CDT  
Brookside Subdivision, Plainfield, IL 79.9°F 70°F 74% NE  at  2.0 mph 0.00 in / hr 620 ft 9:23 PM CDT  
Kendall Ridge, Plainfield, IL 82.6°F 76°F 80% NW  at  0.0 mph 0.00 in / hr 640 ft 9:23 PM CDT  
Wexford, Joliet, IL 80.1°F 74°F 83% West  at  0.0 mph 0.00 in / hr 594 ft 9:24 PM CDT
Kendall Ridge, Plainfield, IL 82.0°F 81°F 98% North  at  - - / hr 600 ft 9:21 PM CDT  
Aspen Falls, Plainfield, IL 80.9°F 76°F 85% North  at  0.0 mph 0.00 in / hr 633 ft 9:24 PM CDT
Joliet-Picardy, Joliet, IL 80.9°F 74°F 81% North  at  16.1 mph 0.00 in / hr 627 ft 9:22 PM CDT
Impressions at the Streams, Plainfield, IL 81.5°F 74°F 77% South  at  0.0 mph 0.00 in / hr 597 ft 9:24 PM CDT  
Vintage Dr, Plainfield, IL, Plainfield, IL 80.5°F 78°F 91% ESE  at  3.0 mph 0.00 in / hr 604 ft 9:23 PM CDT  
Crystal Lawns - Plainfield Township, Joliet, IL 78.1°F 73°F 82% ESE  at  0.0 mph 0.00 in / hr 627 ft 9:23 PM CDT
Krings Acres, Joliet, IL 82.0°F 76°F 81% North  at  - - / hr 673 ft 9:22 PM CDT  
Old Plank, Joliet, IL 81.1°F 73°F 77% SE  at  0.0 mph 0.00 in / hr 620 ft 9:20 PM CDT  
The Meadows, Minooka, IL 81.5°F 78°F 89% North  at  0.0 mph 0.00 in / hr 627 ft 9:24 PM CDT  
jolietwx.com, Joliet, IL 79.9°F 73°F 80% NE  at  2.3 mph 0.00 in / hr 648 ft 9:24 PM CDT
Fairhaven, Channahon, IL 78.8°F 76°F 93% ESE  at  0.0 mph 0.00 in / hr 551 ft 9:24 PM CDT  
Meadowlands, Channahon, IL 79.4°F 78°F 96% NW  at  0.0 mph 0.00 in / hr 548 ft 9:13 PM CDT
Rivers Edge Landing - Hallwood Gardens, Minooka, IL 79.3°F 76°F 91% NNW  at  0.0 mph 0.00 in / hr 581 ft 9:24 PM CDT  
Fairhaven heights, Channahon, IL 81.3°F 77°F 87% ESE  at  0.0 mph 0.00 in / hr 551 ft 9:22 PM CDT  
St Josephs, Joliet, IL 81.7°F 73°F 74% SSW  at  0.0 mph 0.00 in / hr 663 ft 9:24 PM CDT
Pebble Path, Channahon, IL 81.0°F 78°F 89% West  at  0.0 mph 0.00 in / hr 551 ft 9:23 PM CDT  
Plainfield, Plainfield, IL 79.9°F 75°F 86% South  at  0.0 mph 0.00 in / hr 623 ft 9:24 PM CDT
Indian Trails, Channahon, IL 79.0°F 76°F 91% South  at  0.0 mph 0.00 in / hr 535 ft 9:24 PM CDT
River Ridge, Plainfield, IL 79.3°F 74°F 83% SW  at  0.0 mph 0.00 in / hr 620 ft 9:23 PM CDT  
Harvest Glen II, Plainfield, IL 78.6°F 66°F 65% East  at  0.0 mph 0.00 in / hr 633 ft 9:24 PM CDT  
Golden Meadow Estates, Plainfield, IL 80.4°F 76°F 86% ESE  at  2.1 mph 0.00 in / hr 633 ft 9:23 PM CDT  
Gold3n M3adows, Plainfield, IL 79.3°F 74°F 83% NE  at  0.0 mph 0.00 in / hr 0 ft 9:23 PM CDT  
Donegal Drive, Minooka, IL 83.3°F 78°F 83% North  at  - - / hr 606 ft 9:23 PM CDT  
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Flash Flood Watch
Mobile & Email Alerts Statement as of 8:37 PM CDT on July 20, 2017

... Flash Flood Watch remains in effect from Friday afternoon
through Saturday morning...

The Flash Flood Watch continues for

* portions of north central Illinois and northeast Illinois,
including the following areas, in north central Illinois,
Boone, De Kalb, La Salle, Lee, Ogle, and Winnebago. In
northeast Illinois, Cook, dupage, Grundy, Kane, Kendall, Lake
IL, McHenry, and will.

* From Friday afternoon through Saturday morning.

* Multiple rounds of thunderstorms producing heavy rainfall with
rates well over one inch per hour are likely to move across
portions of north central and northeast Illinois late Friday
afternoon through early Saturday morning.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.



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