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Flood Watch FLOOD WATCH - Will County

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Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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METRIC | IMPERIAL
Updated: 20-Sep-2026 @ 7:45pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.7°F than last hour.

61.7°F

---
High Today
69.7°F
12:00 AM
Low Today
61.7°F
7:17 PM
Yest High
71.0°F
12:00 AM
Yest Low
63.3°F
6:44 AM
Sta* High
---°F
2026
Sta* Low
---°F
2026
* This Station's Records Since 12/2012
Rec* High
32.0°F
0
Rec* Low
32.0°F
0
* Records from Weather Underground
Night time, Dry Night time, Dry

Wind from WNW Wind:  WNW
0.7

Gusting to:
1.7 mph
Current Rain Rain:
1.77 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.5 of 100
Tonight

Tonight: Chance Rain Showers
Chance Rain Showers
Monday

Monday: Slight Chance Rain Showers
Slight Chance Rain Showers
Monday
Night
Monday Night: Mostly Cloudy
Mostly Cloudy
Lo 58 °F Hi 63 °F Lo 54 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1°F since last hour. 60.0°F
Last Hour: Decreased 1°F since last hour. 1°F
High 12:00 AM: 68.8°F
Low 7:28 PM: 60.0°F
Record High: 82.4°F on
Sep-1-2026
Record Low: 26.8°F on
May-7-2026
Wetbulb: 60.7°F
Rain Today
rain graph

Today: 1.77 in
Rate (/hr): 0.010 in
Yesterday: 1.46 in
Last 7 Days: 2.12 in
Sep Rain: 3.97 in
Sep to Date
  Avg:10
0.00 in
Sep to Date
  Diff from Avg:10
Over 3.97 in for the month 3.97 in
Sep Avg: 0.00 in
Diff from Avg: Over 3.97 in for the month 3.97 in
Season:1 32.94 in
YTD
  Avg:11
28.71 in
YTD
  Diff from Avg:11
Over 4.23 in for the year 4.23 in
47 rain days in 2026
8 days in September
0 days since last rain
Current: WNW  0.7 mph
1Hr Average: 1.4 mph
Wind Run: 14.89 miles
Wind Gust
Current: 1.7 mph
Today: 11.3 mph 5:07 AM
Month: 13.9 mph 4-Sep
Year: 22.6 mph 3-Jul
Record Gust: 22.6 mph
Jul-3-2026
Sunlight:
12 h 18 m 11 s
of Sunlight Yesterday
12 h 15 m 24 s
of Sunlight Today
Which is
2 min 47 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waxing Gibbous
Waxing Gibbous, 9 days, 21 hours, 22 minutes in cycle
71%
Illuminated
Humidity Barometer
Current: Decreased 1% since last hour. 94%
Last Hour: Decreased 1% since last hour. 1%
High 12:00 AM: 97%
Low 7:28 PM: 94%
Record High: 97%
May-24-2026
Record Low: 21%
Jun-2-2026
Current: Rising 0.004  inHg/hr 29.458 inHg
Last Hour: Steady
High 7:44 PM: 29.458
Low 5:10 AM: 29.274
Record High: 29.787 inHg
Jun-3-2026
Record Low: 28.777 inHg
Jun-17-2026
Heating Degree Days Coming Soon Wind Chill Air
Today: 0.0
Sep: 2.6
2026 to Date: 163.8
Cooling Degree Days
2026 to Date: 1019.2
Current: 61.7°F
Low 7:17 PM: 61.7°F
Yesterday: 63.3°F
Record: 29.3°F
May-7-2026
Quality
Index6:

39


Good
Density:
1.19 kg/m3
UV Summary/Forecast Solar Summary
Sep-20

6.2
Sep-21

5.8
Sep-22

5.3
Sunrise is at: 6:38 am
Solar Noon: 12:44
Sunset is at: 6:50 pm
Almanac   Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 71.5°F
Sunrise: 6:38 am
Sunset: 6:50 pm
Moonrise: 4:38 pm
Moonset: 1:00 am
Full Moon: Sep-26-2026
New Moon: 15:51 UTC
Oct-10-2026
HIGHS: LOWS:
98.8°F
Jul-14-2026
29.3°F
May-7-2026
Daytime Records
  91.2°F
Jul-01-2026
  54.0°F
May-06-2026
Nitetime Records
  84.2°F
Jul-01-2026
  39.6°F
May-07-2026
ICN:1 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
METRIC | IMPERIAL
Updated: 20-Sep-2026 @ 7:45pm  
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.   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   10 Historical average only to day 20 of just the month of September for this station since 2012.   11 Historical average rain this season to day 20 of September for this station since 2012.
  Weather Forecast   -   Outlook Tonight & Monday
Tonight

Tonight: Chance Rain Showers
Chance Rain Showers

Lo 58 °F
NWS forecast: A chance of rain showers before 7pm, then areas of drizzle between 7pm and 10pm, then a chance of rain showers. Cloudy. Low around 58, with temperatures rising to around 60 overnight. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Local station forecast: Mostly cloudy and cooler, precipitation ending within 6 hrs, windy with possible wind shift to the w, nw, or n.
Monday

Monday: Slight Chance Rain Showers
Slight Chance Rain Showers

Hi 63 °F
NWS forecast: A slight chance of rain showers before 1pm. Cloudy, with a high near 63. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
  Short Term Weather Forecast
Monday
Night
Monday Night: Mostly Cloudy
Mostly Cloudy
Tuesday

Tuesday: Slight Chance Rain Showers
Slight Chance Rain Showers
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Thursday
Night
Thursday Night: Mostly Cloudy
Mostly Cloudy
Lo 54 °F Hi 64 °F Lo 52 °F Hi 66 °F Lo 52 °F Hi 68 °F Lo 52 °F



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Jetstream from WeatherUnderground.com
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Sea Surface Tempeatures from SSEC.wisc.edu
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