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 10:00 PM 27 Jan, 2015
Significant Snow
There is a 70 percent chance of snow Sunday. Snow accumulations of 4 to 6 inches are possible.
Wind Chill
Expect wind chills dropping to -10 to -3 Sunday Night. The low in Mt. Prospect will be 7.
Expect wind chills dropping to -13 to -9 Monday Night. The low in Mt. Prospect will be 5.
* THIS FORECAST WAS MADE IN AUTOMATED MODE AND MAY BE LESS ACCURATE THAN OTHERWISE *
METRIC | IMPERIAL
Updated: Jan-28-2015 @ 3:05am  
Temperature Current Conditions In House Forecast / Storm Prediction
Currently Outside: Warmer 0.6°F than last hour.

20.9°F

Wind Chill:  20.9°F
---
High Today
20.9°F
3:03 AM
Low Today
19.6°F
12:00 AM
Yesterday High
29.3°F
2:01 PM
Yesterday Low
17.4°F
10:41 PM
24 Hr Change
-4.7°F
Hour Change
+0.6°F
Normal High
32.0°F
Normal Low
18.0°F
Rec* High
61.0°F
2002
Rec* Low
-10.0°F
1955
* Records from Weather Underground
Night, Dry, Cloudy with clear patches It is Night, Dry, Cloudy with clear patches

Calm Wind:  N
0.0

Gusting to:
0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.6 of 100
Rest of
tonight
Partly Cloudy
Partly Cloudy
Low: 17°
Wednesday

Mostly Cloudy
Cold!
Mostly Cloudy
Cold!
High: 36°
Wednesday
night
Rain and Snow
Cold!
Rain and Snow
Cold!
Low: 33°

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Sun/Moon
Dew Point: Increased 0.8°F since last hour. 18.9°F
In Last Hour: Increased 0.8°F since last hour. 0.8°F
High Dew
Point:
20.0°F
at 12:56 AM
Low Dew
Point:
17.2°F
at 12:02 AM
Record Dew
Point:
82.4°F
Jul-21-2011
Wetbulb: 20.4°F
Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.01 in
January Rain: 0.64 in
January Avg: 1.07 in
Diff from Avg: Under 0.43 in for the month -0.43 in
Rain Season:1 0.64 in
Last YTD Rain:1 1.79 in
Last Rain
Time/Date:
01/22/2015
at 2:20 PM
7 rain days in 2015
7 days in January
5 days since last rain
Currently: N at
0.0 mph
Gusting To: 0
Max Gust: 011:53 AM
1Hr Average: Calm
Month Gust: 35 mph Jan 9
Year Gust: 35 mph Jan 9
Record Gust: 75 mph
on 25-Apr-2014
Wind Run: miles
Daylight:
9 hrs 52 min
of Daylight Today
graph
38.1% 61.9%
Which is
2 min 10sec longer
than yesterday
Waxing Gibbous, 7 days, 19 hours, 54 minutes in cycle
62%
Illuminated
Humidity Barometer
Humidity: Increased 1% since last hour. 92 %
In Last Hour: +1%
High
Today
97%
at 12:25 AM
Low
Today
90%
at 12:02 AM
Current: Falling 0.013  inHg/hr 30.261 inHg
In Last Hour: Steady
High
Today:
30.277
at 2:14 AM
Low
Today:
30.246
at 12:59 AM
Heating Degree Days Snow3 Wind Chill Air
Today: 5.5
January: 1179.5
2015 to Date: 1179.5
Cooling Degree Days
2015 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
January: Over 4.813 in for the month 11.90 in
January Avg: 7.09 in
Diff from Avg: 4.81 in
Season Total:2 14.40 in
Snow Depth: 1.00 in
8 snow days in January
11 snow days this season.2
First Snow of Season:
11/15/2014
Average 1st Snow:
30 of November
Current: 20.9°F
Today: 19.6°F  at 12:00 AM
Yesterday: 17.4°F
Record: -45.8°F
Jan-6-2014
Quality
Index6:

44


Good
Density:
1.335 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   0.0 @ 12:00 AM
Jan-28

1.6
Jan-29

1.8
Jan-30

1.6
High Yest:   295.2 @ 11:51 AM
Sun Hours Today:
00:00
  This Month: 26:21 Hrs
Rise: 7:08 AM  Set: 5:00 PM
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
Week Avg Temp: 29.8°F
MTD Avg Temp: 21.3°F
YTD Avg Temp: 21.3°F
Sunrise: 7:08 AM
Sunset: 5:00 PM
Moonrise: 0:08 PM
Moonset: 1:37 AM
Full Moon: 3 February 2015
New Moon: 23:48 UTC 18 February 2015
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 0.01 in
7-Days ET: 0.04 in
7-Day:  0.033 in water in deficit of what evaporated in last 7 days. -0.033 in 0.033 in water in deficit of what evaporated in last 7 days. in
January:  0.43 in water in excess of what evaporated this month. 0.43 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:4 | S3C2:6
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.
 NWS Weather Forecast  -   Outlook Overnight & Wednesday
Overnight

Partly Cloudy
Partly
Cloudy
Lo 17 °F
NWS forecast: Partly cloudy, with a low around 17. Calm wind.
Wednesday

Partly Sunny
Partly
Sunny
Hi 37 °F
NWS forecast: Partly sunny, with a high near 37. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
 NWS Short Term Weather Forecast
Wednesday
Night

Chance Rain. Chance for Measurable Precipitation 50%
Chance
Rain
Lo 32 °F
Thursday

Chance Rain/Snow. Chance for Measurable Precipitation 50%
Chance
Rain/Snow
Hi 37 °F
Thursday
Night

Mostly Cloudy
Mostly
Cloudy
Lo 17 °F
Friday

Mostly Sunny
Mostly
Sunny
Hi 24 °F
Friday
Night

Partly Cloudy
Partly
Cloudy
Lo 16 °F
Saturday

Slight Chc Snow
Slight Chc
Snow
Hi 30 °F
Saturday
Night

Chance Snow
Chance
Snow
Lo 25 °F
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