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 7:00 PM 28 May, 2015
Thunderstorm
Thunderstorms are possible Friday. Severe Thunderstorms are not anticipated at this time.
Thunderstorms are likely Friday Night. Severe Thunderstorms are not anticipated at this time.
* THIS FORECAST WAS MADE IN AUTOMATED MODE AND MAY BE LESS ACCURATE THAN OTHERWISE *
METRIC | IMPERIAL
Updated: May-28-2015 @ 10:50pm  
Temperature Current Conditions In House Forecast / Storm Prediction
Currently Outside: Colder 1.7°F than last hour.

66.1°F

---
High Today
82.0°F
3:46 PM
Low Today
54.7°F
5:25 AM
Yesterday High
74.9°F
6:14 PM
Yesterday Low
60.1°F
11:58 PM
24 Hr Change
+3.7°F
Hour Change
-1.7°F
Normal High
73.9°F
Normal Low
55.0°F
Rec* High
93.9°F
2012
Rec* Low
39.9°F
1930
* Records from Weather Underground
Night, Dry, Cloudy with clear patches It is Night, Dry, Cloudy with clear patches

Wind from E Wind:  E
6.9

Gusting to:
6.9 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
7.4 of 100
Tonight

Partly Cloudy
Partly Cloudy
Low: 68°
Friday

Thunder storm
Thunder storm
High: 83°
Friday
night
Thunder storm
Thunder storm
Low: 68°

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Sun/Moon
Dew Point: Increased 0.7°F since last hour. 53.1°F
In Last Hour: Increased 0.7°F since last hour. 0.7°F
High Dew
Point:
60.7°F
at 8:15 AM
Low Dew
Point:
48.8°F
at 3:01 PM
Record Dew
Point:
82.4°F
Jul-21-2011
Wetbulb: 58.9°F
Today: 0.00 in
Yesterday: 0.04 in
Last 7 Days: 1.14 in
May Rain: 3.88 in
May Avg: 4.61 in
Diff from Avg: Under 0.73 in for the month -0.73 in
Rain Season:1 7.81 in
Last YTD Rain:1 11.37 in
Last Rain
Time/Date:
5/27/2015
at 12:06 PM
45 rain days in 2015
18 days in May
0 day since last rain
Currently: E at
6.9 mph
Gusting To: 6.9
Max Gust: 23.02:01 PM
1Hr Average: 7.3 mph
Month Gust: 44.9 mph May 8
Year Gust: 54.1 mph Feb 14
Record Gust: 75.4 mph
on 25-Apr-2014
Wind Run: miles
Daylight:
14 hrs 57 min
of Daylight Today
graph
59.3% 40.7%
Which is
0 min 51sec longer
than yesterday
Waxing Gibbous, 10 days, 23 hours, 40 minutes in cycle
81%
Illuminated
Humidity Barometer
Humidity: Increased 5% since last hour. 63 %
In Last Hour: +5%
High
Today
91%
at 6:31 AM
Low
Today
32%
at 3:01 PM
Current: Falling 0.02  inHg/hr 30.005 inHg
In Last Hour: Falling slowly
High
Today:
30.157
at 8:57 AM
Low
Today:
30.002
at 10:42 PM
Cooling Degree Days Snow3 Heat Index Air
Today: 3.0
May: 53.8
2015 to Date: 53.8
Heating Degree Days
2015 to Date: 4321.3
Today: 0.00 in
Yesterday: 0.00 in
May: No Change 0.00 in
May 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 May
19 snow days this season.2
First Snow of Season:
1/3/2015
Average 1st Snow:
30 of Nov
Current: 66.1°F
Today: 81.7°F 
Yesterday: 74.9°F
Record: 127.4°F
Jun-28-2012
Quality
Index6:

48


Good
Density:
1.206 kg/m3
UV Summary/Forecast Solar Summary
High Today:   9.3 @ 10:04 AM
May-29

8.2
May-30

8.5
May-31

7.3
High Today:  
942 W/m2 @ 12:59 PM
Sun Hours Today:
06:55
  This Month: 34:21 Hrs
Rise: 5:20 am  Set: 8:17 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
Week Avg Temp: 66.2°F
MTD Avg Temp: 60.3°F
YTD Avg Temp: 36.5°F
Sunrise: 5:20 am
Sunset: 8:17 pm
Moonrise: 4:25 pm
Moonset: 3:06 am
Full Moon: June 02 2015
New Moon: 14:06 UTC June 16 2015
Updated at Midnight
Current ET: 0.24 in
7-Days Rain: 1.14 in
7-Days ET: 1.13 in
7-Day:  0.012 in water in excess of what evaporated in last 7 days. 0.012 in 0.012 in water in excess of what evaporated in last 7 days. in
May:  1.82 in water in excess of what evaporated this month. 1.82 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:13 | S3C2:1
ISS:Station 2 Low | CON:4.7 | RCP:99%
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.
 NWS Weather Forecast  -   Outlook Overnight & Friday
Overnight




Lo 64 °F
NWS forecast: Low around 64.
Friday

Mostly Sunny
Mostly
Sunny
Hi 82 °F
NWS forecast: Mostly sunny, with a high near 82. East southeast wind 5 to 10 mph.
 NWS Short Term Weather Forecast
Friday
Night

T-Storms Likely. Chance for Measurable Precipitation 60%
T-Storms
Likely
Lo 65 °FRising Temperatures
Saturday

T-Storms Likely. Chance for Measurable Precipitation 70%
T-Storms
Likely
Hi 58 °F
Saturday
Night

Showers. Chance for Measurable Precipitation 80%
Showers

Lo 43 °F
Sunday

Slight Chc Showers. Chance for Measurable Precipitation 20%
Slight Chc
Showers
Hi 61 °F
Sunday
Night

Partly Cloudy
Partly
Cloudy
Lo 45 °F
Monday

Sunny
Sunny

Hi 64 °F
Monday
Night

Mostly Clear
Mostly
Clear
Lo 50 °F
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