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Lasalle County, IL Weather and Climate Synopsis

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Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

US Weekly Rainfall Departure

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A joint service of the UK Ag Weather Center and the National Weather Service.

Weather Summary For Central And Southeast Illinois
National Weather Service Lincoln IL
1039 AM CST Sat Nov 17 2018

Foggy conditions developed across the region this morning as
moisture from melting snow evaporated into the lower atmosphere. 
Temperatures late this morning were working to pass the freezing 

Rain showers will shift south into central Illinois this 
afternoon, before temperatures drop this evening, changing 
precipitation to snow. Accumulations are expected to be less than 
1 inch across central Illinois, while some locations in northern 
Illinois could receive 2 inches. Behind this system, dry weather 
returns Sunday afternoon and lingers into next week. Temperatures 
will remain below normal through Tuesday, then return to normal by
Thanksgiving Day.

Highs today, will range from the middle 20s in northwest 
Wisconsin, to near 60 degrees across southern Missouri and the 
lower Ohio River Valley. Lows tonight will be in the teens across
northeast Iowa increasing to the mid 30s along the Ohio River

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.
Regional Hourly Observations For LASALLE County
Issued at 200 PM CST SAT NOV 17 2018

CHICAGO-OHARE  LGT SNOW  33  31  92 N10       30.28F VSB 1   WCI  25  
CHICAGO-MIDWAY LGT RAIN  36  32  85 N10       30.28F WCI  28          
AURORA         LGT SNOW  33  30  88 NE10      30.28S FOG     WCI  25  
LANSING*       LGT RAIN  37  34  91 N8        30.28S WCI  30          
JOLIET*        DRIZZLE   36  35  96 NE9       30.28S WCI  29          
WAUKEGAN       CLOUDY    34  27  75 N6        30.29S WCI  29          
DUPAGE AIRPORT LGT SNOW  33  31  92 N9        30.28S VSB 1   WCI  25  
KANKAKEE*      DRIZZLE   37  34  91 NE9       30.28R WCI  30          
WHEELING       CLOUDY    34  28  79 N9        30.30F WCI  27          
MORRIS*        LGT RAIN  35  34  96 NE5       30.27S WCI  31          
ROMEOVILLE*    LGT SNOW  34  33  96 NE12      30.28S WCI  25          
NORTHERLY ISL    N/A     36  33  89 N9          N/A  WCI  29          

Current Temperatures, Dewpoint Map, RH, Wind, Regional Obs, Surface 4-Panel
Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford

Current Agricultural Weather Conditions in Illinois
Based on observations at 200pm CST, Saturday November 17, 2018

Across Illinois...temperatures are near 33 degrees north and near 59 degrees south. Current sky conditions are light snow north and partly sunny south. In the north, relative humidity is near 92%, and the dew point is near 31 degrees. In the south, relative humidity is near 58%, and the dew point is near 45 degrees. Winds are from the north at 10 mph north, where conditions are not favorable for spraying due to light snow. The wind chill is near 25 degrees north. Winds are unavailable central. Winds are from the south at 12 mph south, where conditions are favorable for spraying. The livestock cold stress index is in the no stress category north, unavailable category central, and no stress category south. Based on current available observations, the highest temperature is 350/ degrees at Northerly Island. The lowest temperature is 33 degrees at Rockford and O'Hare Airport.

Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time),Livestock Heat Stress Index (LSI), Wind Chill Map
Hazardous Weather Outlook For LASALLE County,IL

317 AM CST Sat Nov 17 2018 /417 AM EST Sat Nov 17 2018/

 DAY ONE  Today and Tonight.

Weather hazards expected  

  Limited Snow Risk.


Snow, mainly light to moderate, will continue this morning, 
especially along and north of I-80. Minor accumulation will occur,
with some locations possibly topping two inches. Slowed and 
possibly at times hazardous travel may be encountered this 

Light snow is likely to become more widespread again tonight but
this time south of I-80. Minor accumulation is likely, mainly one 
inch or less.

 DAYS TWO THROUGH SEVEN  Sunday through Friday.

Sunday Morning  
  Limited Snow Risk.


Light snow is likely to continue for some locations south of
I-80 Sunday morning with minor accumulation.


  Spotter activation will not be necessary through tonight.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For LASALLE County, IL
1247 PM CST Sat Nov 17 2018

Light snow and light rain. Little or no new snow accumulation. Temperatures nearly steady in the mid 30s. Northeast winds around 10 mph. Chance of precipitation 90 percent.

Cloudy with a 30 percent chance of light snow. Lows in the upper 20s. North winds 5 to 10 mph.

Mostly cloudy in the morning then clearing. Highs in the mid 30s. Northwest winds 5 to 10 mph.

Mostly clear. Lows in the lower 20s. West winds around 5 mph.

Partly sunny. Highs in the upper 30s. Southwest winds 5 to 10 mph.

Partly cloudy. Lows in the mid 20s.

Partly cloudy in the morning then clearing. Highs in the mid 30s.

Partly cloudy. Lows in the mid 20s.

Clear. Highs in the mid 40s. Lows in the upper 20s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 30s.

Mostly cloudy with a 40 percent chance of light rain. Highs in the upper 40s.

12-48 Hr Surface, 12-48 Hr ETA 500mb/Sfc, TWC Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip
NGM 60 Hr Forecast Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford , Severe Weather Pot.-Day 1, Day 2

Medium & Long Range Outlook For Illinois
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   NOV 22-26    NOV 24-30    DEC   DEC18-FEB19                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above     Normal      Above                      
 Precipitation:      Above        Above      Below      Below                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
MRF 10-Day Forecast Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford

Almanac Information

Saturday November 17, 2018 the 321th Day of Year

Declination -19.210000
Distance 0.999723 AU
Rise 07:47 EST Set 17:41 EST
Transit Meridian 12:44 EST
Civil Twilight Begins 07:19 EST Ends 18:09 EST

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy

Historical Weather And Climate Facts For Today

Southwest winds of hurricane force swept the Berkshire and Green Mountains
of New England causing extensive forest and structural damage. (David
A tornado cut a seventeen mile path across Alexandria and southeastern
Washington D.C. injuring 31 persons. The tornado struck the Naval Air
Station where a wind gust of 93 mph was recorded. A waterspout was seen
over the Potomac River ninety minutes later. (David Ludlum) (The Weather
The temperature at Minneapolis MN reached 71 degrees, their warmest reading
of record for so late in the autumn. (The Weather Channel)
A storm in the Rockies produced 21 inches of snow at the Monarch ski resort
in Colorado, with 14 inches reported at Steamboat Springs CO. Early morning
thunderstorms in the southeastern U.S. drenched Mary Esther FL with 4.43
inches of rain. Gale force winds over the Great Lakes Region gusted to 49
mph at Johnstown PA. (The National Weather Summary) (Storm Data)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky