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                   Pinpoint Forecasts and Live Weather Conditions for Mount Prospect, Il.
Regional Radar Regional Infrared Satellite
  Courtesy of Weather Underground.  Level3 Radar   Click for Details
WXSIM Risk forecast for Mount Prospect, initialized at 4:00 AM 30 Aug, 2014
Significant Rain
There is a 80 percent chance of rain Monday. The rain will be heavy at times. Total rainfall of between 1 and 2 inches is possible.
There is a 80 percent chance of rain Monday Night. The rain will be heavy at times. Total rainfall of between half an inch and one inch is possible.
There is a 70 percent chance of rain Friday Night. The rain will be heavy at times. Total rainfall of around half an inch is possible.
Heat Index
The high on Friday is expected to be 89 with heat indices approaching 95.
* THIS FORECAST WAS MADE IN AUTOMATED MODE AND MAY BE LESS ACCURATE THAN OTHERWISE *
METRIC | IMPERIAL
Updated: Aug-30-2014 @ 7:10am  
Temperature Current Conditions In House Forecast / Storm Prediction
Currently Outside: Colder 0.1°F than last hour.

72.7°F

---
High Today
75.3°F
12:00 AM
Low Today
72.6°F
6:23 AM
Yesterday High
86.5°F
4:57 PM
Yesterday Low
68.6°F
12:00 AM
24 Hr Change
+1.7°F
Hour Change
-0.1°F
Normal High
81.0°F
Normal Low
64.0°F
Rec* High
96.0°F
1953
Rec* Low
47.0°F
1946
* Records from Weather Underground
Overcast, Rain It is Overcast, Rain

Calm Wind:  N
0.0

Gusting to:
0 mph
Current Rain Rain:
0.05 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.3 of 100
Today

Rain likely
Rain likely
High: 79°
Tonight

Fog
Fog
Low: 67°
Sunday

Partly Cloudy
Partly Cloudy
High: 82°

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Sun/Moon
Dew Point: Increased 0.2°F since last hour. 68.6°F
In Last Hour: Increased 0.2°F since last hour. 0.2°F
High Dew
Point:
69.0°F
at 3:57 AM
Low Dew
Point:
68.1°F
at 6:02 AM
Record Dew
Point:
82.4°F
Jul-21-2011
Wetbulb: 70.0°F
Today: 0.05 in
Rate (/hr): 0.23 in
Storm Rain: 0.08 in
Yesterday: 0.02 in
Last 7 Days: 0.95 in
August Rain: 5.98 in
August Avg: 3.02 in
Diff from Avg: Over 2.96 in for the month 2.96 in
Rain Season:1 24.59 in
Last YTD Rain:1 25.31 in
75 rain days in 2014
12 days in August
0 day since last rain
Currently: N at
0.0 mph
Gusting To: 0
Max Gust: 06:39 PM
1Hr Average: Calm
Month Gust: 27 mph Aug 4
Year Gust: 75 mph Apr 25
Record Gust: 75 mph
on 25-Apr-2014
Wind Run: miles
Daylight:
13 hrs 15 min
of Daylight Today
graph
55.1% 44.9%
Which is
2 min 42 sec shorter
than yesterday
Evening Crescent, 4 days, 21 hours, 57 minutes in cycle
22%
Illuminated
Humidity Barometer
Humidity: Increased 1% since last hour. 87 %
In Last Hour: +1%
High
Today
87%
at 6:25 AM
Low
Today
80%
at 12:00 AM
Current: Rising 0.003  inHg/hr 29.771 inHg
In Last Hour: Steady
High
Today:
29.796
at 12:33 AM
Low
Today:
29.741
at 4:37 AM
Cooling Degree Days Snow3 Heat Index Air
Today: 2.7
August: 203.7
2014 to Date: 624.5
Heating Degree Days
2014 to Date: 2355.9
Today: 0.00 in
Yesterday: 0.00 in
August: No Change 0.00 in
August Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow day in August
0 snow day this season.2
First Snow of Season:
Not Yet!
Average 1st Snow:
03 of December
Current: 72.7°F
Today: 75.3°F 
Yesterday: 93.6°F
Record: 127.4°F
Jun-28-2012
Quality
Index6:

68


Moderate
Density:
1.177 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
N/A Minutes
Highest:
12:00 AM
0.0
0 W/m2
0%
W/m2 SI
High Today:
12:00 AM
W/m2 Record:1229 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Morning
Week Avg Temp: 74.0°F
MTD Avg Temp: 71.7°F
YTD Avg Temp: 47.8°F
Sunrise: 6:15 AM
Sunset: 7:30 PM
Moonrise: 11:06 AM
Moonset: 9:17 PM
Full Moon: 9 September 2014
New Moon: 06:14 UTC 24 September 2014
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.95 in
7-Days ET: 0.32 in
7-Day:  0.64 in water in excess of what evaporated in last 7 days. 0.64 in 0.64 in water in excess of what evaporated in last 7 days. in
August:  4.23 in water in excess of what evaporated this month. 4.23 in
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HIGHS: LOWS:
106.5°F
06-Jul-2012
-17.3°F
06-Jan-2014
Daytime Records
  96.8°F
Jul-06-2012
  -13.7°F
Jan-06-2014
Nitetime Records
  88.0°F
Jul-07-2012
  -13.2°F
Jan-07-2014
ICN:3 | S3C2:1
ISS:Ok | CON:4.6 | 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.    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.  
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Chance T-Storms. Chance for Measurable Precipitation 40%
Chance
T-Storms
Hi 81 °F
NWS forecast: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph.
Tonight

Chance T-Storms. Chance for Measurable Precipitation 30%
Chance
T-Storms
Lo 67 °F
NWS forecast: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 67. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
 NWS Short Term Weather Forecast
Sunday

Patchy Fog
Patchy
Fog
Hi 84 °F
Sunday
Night

Partly Cloudy
Partly
Cloudy
Lo 70 °F
Labor
Day

T-Storms Likely. Chance for Measurable Precipitation 60%
T-Storms
Likely
Hi 82 °F
Monday
Night

T-Storms Likely. Chance for Measurable Precipitation 60%
T-Storms
Likely
Lo 67 °F
Tuesday

Chance T-Storms. Chance for Measurable Precipitation 40%
Chance
T-Storms
Hi 81 °F
Tuesday
Night

Partly Cloudy
Partly
Cloudy
Lo 64 °F
Wednesday

Mostly Sunny
Mostly
Sunny
Hi 82 °F
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