Excessive Heat Watch EXCESSIVE HEAT WATCH - Will County

METRIC | IMPERIAL
Updated: 12-Aug-2020 @ 3:45pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 2.7°F than last hour.

88.7°F

Heat Index:  89.4°F
Warm
High Today
89.5°F
3:37 PM
Low Today
63.0°F
6:17 AM
Yest High
82.8°F
9:30 AM
Yest Low
67.6°F
10:31 PM
Rec* High
52.0°F
2006
Rec* Low
-13.0°F
2000
* Records from Weather Underground
Overcast and gloomy, Dry Overcast and gloomy, Dry

Wind from ENE Wind:  ENE
0.9

Gusting to:
0.0 mph
Current Rain Rain:
0.00 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
4.0 of 232
This
Afternoon
This Afternoon: Sunny
Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Hi 85 °F Lo 64 °F Hi 87 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.7°F since last hour. 62.7°F
Last Hour: Decreased 0.7°F since last hour. 0.7°F
High 9:20 AM: 68.5°F
Low 1:17 PM: 59.1°F
Record High: 82.4°F on
19-Jul-2019
Record Low: -29.4°F on
30-Jan-2019
Wetbulb: 72.0°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.11 in
Last 7 Days: 0.13 in
Aug Rain: 0.11 in
Aug to Date
  Avg:10
0.00 in
Aug to Date
  Diff from Avg:10
Over 0.11 in for the month 0.11 in
Aug Avg: 1.32 in
Diff from Avg: Under 1.21 in for the month 1.21 in
Season:1 21.410 in
YTD
  Avg:11
24.32 in
YTD
  Diff from Avg:11
Under 2.91 in for the year 2.91 in
Last Rain
Time/Date:
10-Aug-2020
at 10:47 PM
71 rain days in 2020
1 day in August
0 days since last rain
Current: ENE  0.9 mph
1Hr Average: 1.0 mph
Wind Run: 6.96 miles
Wind Gust
Current: 0.0 mph
Today: 6.0 mph 11:14 AM
Month: 23.0 mph 10-Aug
Year: 23.0 mph 29-Mar
Record Gust: 26.5 mph
25-Feb-2019
Sunlight:
13 hrs 40 min
41 sec
of Sunlight Today
Which is
2 min 1 sec shorter than
yesterday
(Noon) graph (Midnight)
Legend

Waning Crescent
Waning Crescent, 23 days, 3 hours, 16 minutes in cycle
38%
Illuminated
Humidity Barometer
Current: Decreased 5% since last hour. 42%
Last Hour: Decreased 5% since last hour. 5%
High 1:58 AM: 98%
Low 3:38 PM: 39%
Record High: 99%
30-Sep-2019
Record Low: 14%
20-Apr-2019
Current: Rising 0.074  inHg/hr 29.904 inHg
Last Hour: Rising
High 3:35 PM: 29.905
Low 1:34 AM: 29.729
Record High: 30.868 inHg
9-Feb-2019
Record Low: 29.158 inHg
24-Feb-2019
Cooling Degree Days Snow3 Heat Index Air
Today: 1.3
Aug: 48.0
2020 to Date: 544.8
Heating Degree Days
2020 to Date: 3406.0
Today: 0.00 in
Yesterday: 0.00 in
Aug Snow: No Change 0.00 in
Aug Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in August
0 snow days this season.2
First Snow of Season:
--
Average 1st Snow:
Current: 89.4°F
High 3:35pm: 90.3°F
Yesterday: 91.1°F
Record: 119.1°F
19-Jul-2019
Quality
Index6:

63


Moderate
Density:
1.15 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
720 Minutes
Highest:
12:00 AM
0.0
0 W/m2
0%
W/m2 SI
High Today:
12:00 AM
W/m2
Record:
0 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Afternoon
YTD Avg Temp: 49.8°F
Sunrise: 5:58 am
Sunset: 7:56 pm
Moonrise: 12:06 am
Moonset: 2:34 pm
Full Moon: 03-Aug-2020
New Moon: 02:42 UTC
19-Aug-2020
Updated at Midnight
Current ET: 0.11 in
7-Days Rain: 0.13 in
7-Days ET: 0.69 in
7-Day:  0.555 in water in deficit of what evaporated in last 7 days. 0.555 in
August:  0.58 in water in deficit of what evaporated this month. 0.58 in
HIGHS: LOWS:
100.8°F
6-Jul-2020
-22.4°F
30-Jan-2019
Daytime Records
  92.3°F
06-Jul-2020
  -15.9°F
30-Jan-2019
Nitetime Records
  86.0°F
20-Jul-2019
  -17.3°F
31-Jan-2019
ICN:5 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   4 Updated at Noon Central Time.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 12 of just the month of August for this station since 2012.   11 Historical average rain this season to day 12 of August for this station since 2012.
 NWS Weather Forecast  -   Outlook This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 85 °F
NWS forecast: Sunny, with a high near 85. East southeast wind around 5 mph.
Local station forecast: Increasing clouds with little temp change.
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 64 °F
NWS forecast: Mostly clear, with a low around 64. East wind 5 to 10 mph.
 NWS Short Term Weather Forecast
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Hi 87 °F Lo 65 °F Hi 87 °F Lo 67 °F Hi 88 °F Lo 67 °F Hi 84 °F
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