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Williamson County, IL Weather and Climate Synopsis

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Weather Summary For Central And Southeast Illinois
National Weather Service Lincoln IL
427 AM CDT Tue Oct 16 2018

Mostly clear skies were seen across central and southeast
Illinois, through the overnight hours. Along with the clear skies,
widespread frost was reported at a few locations, as well.  
Temperatures across the area early this morning, ranged from 28
degrees at Champaign and Springfield, to 39 degrees at Flora.

Clouds will continue to impact locations along and south of I-70
this morning, before moving to the south and east. Clear skies 
and abundant sunshine will be seen across the region today, which
will allow temperatures to climb back into the 50s in many
locations. High pressure will hold sunshine and dry weather in 
place into the second half of the week.

High temperatures today, will range from the middle 40s across
Wisconsin, to the upper 50s across southwest Missouri.

Overnight low temperatures, will range from near 30 degrees across
Wisconsin, to the middle 40s across the Missouri bootheel.

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

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Regional Hourly Observations For WILLIAMSON County
Issued at 700 AM CDT TUE OCT 16 2018

SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     FAIR      38  37  97 CALM      30.35R                  
6HR MIN TEMP:  37; 6HR MAX TEMP:  41;                                

CAIRO*         FAIR      40  39  97 N3        30.33F                  
EFFINGHAM*     FAIR      33  33 100 CALM      30.34S                  
MARION         MOCLDY    37  37 100 N5        30.35R WCI  34          
MT. VERNON     FAIR      35  35 100 CALM      30.33F                  
CENTRALIA*     CLOUDY    36  36 100 CALM      30.33S                  
SALEM*         FAIR      36  35  95 CALM      30.33S                  
METROPOLIS*    FAIR      40  39  95 CALM      30.33F                  

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 700am CDT, Tuesday October 16, 2018

Across Illinois...temperatures are near 31 degrees north, near 30 degrees central, and near 35 degrees south. Current sky conditions are fair north, fair central, and fair south. In the north, relative humidity is near 85%, and the dew point is near 27 degrees. In the central part of the state, relative humidity is near 88%, and the dew point is near 27 degrees. In the south, relative humidity is near 100%, and the dew point is near 35 degrees. Winds are from the south at 8 mph north, where conditions are favorable for spraying. The wind chill is near 23 degrees north. Winds are from the southwest at 7 mph central, where conditions are favorable for spraying. The wind chill is near 23 degrees central. Winds are calm south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 210/ degrees at Northerly Island. The lowest temperature is 26 degrees at Champaign.


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 WILLIAMSON County,IL

416 AM CDT Tue Oct 16 2018

 DAY ONE  Today and Tonight

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Wednesday through Monday

There is a chance of frost on Wednesday night, mainly northeast of
a line from Cape Girardeau to Paducah to Hopkinsville.

 SPOTTER INFORMATION STATEMENT  

Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For WILLIAMSON County, IL
725 AM CDT Tue Oct 16 2018

TODAY
Partly sunny. Highs in the mid 50s. North winds around 5 mph early in the morning shifting to the west in the afternoon.

TONIGHT
Mostly clear. Lows around 40. West winds around 5 mph.

WEDNESDAY
Sunny. Highs in the lower 60s. North winds 5 to 10 mph.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 30s. North winds 5 to 10 mph.

THURSDAY
Mostly sunny. Areas of frost in the morning. Highs in the upper 50s. Northeast winds around 5 mph.

THURSDAY NIGHT
Mostly clear. A 20 percent chance of rain showers after midnight. Lows around 40.

FRIDAY
Mostly cloudy with a 40 percent chance of rain. Highs in the mid 50s.

FRIDAY NIGHT
Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s.

SATURDAY
Mostly sunny. Highs in the lower 60s.

SATURDAY NIGHT
Clear. Lows in the upper 30s.

SUNDAY
Sunny. Highs in the mid 50s.

SUNDAY NIGHT
Clear. Lows in the upper 30s.

MONDAY
Mostly sunny. Highs in the upper 50s.

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
                             ILLINOIS                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   OCT 21-25    OCT 23-29    OCT       OCT-DEC                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below                                            
 Precipitation:      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

Tuesday October 16, 2018 the 289th Day of Year

---------------------------------------------------
SUN
Declination -9.240000
Distance 0.999721 AU
Rise 08:11 EDT Set 19:17 EDT
Transit Meridian 13:44 EDT
Civil Twilight Begins 07:45 EDT Ends 19:44 EDT

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

/////////////////////////
OCTOBER 16TH
HISTORIC WEATHER EVENTS
...1780...
The most deadly Western Hemisphere hurricane on record raged across the 
Caribbean. It killed 22,000 people on the islands of Martinique, St. 
Eustatius, and Barbados. Thousands more died at sea. (NWS Louisville)
...1913...
The temperature in Downtown San Francisco soared to 101 degrees to equal
their record for October. (The Weather Channel)
...1925...
A family of tornadoes and downbursts moved over a 45 mile long path from 
Warren County through Edmonson County into Hart County. Two homes near 
Bowling Green were blown into the Barren River. A hotel was torn apart at 
Mammoth Cave National Park. (NWS Louisville)
...1937...
An unlikely winter-like storm produced as much as ten inches of snow in
Minnesota and Iowa.
...1987...
Ten cities in the southeastern U.S. reported record low temperatures for
the date. The low of 34 degrees at Augusta GA marked their third straight
morning of record cold. A cold front brought showers and thunderstorms to
parts of the central U.S. Lightning struck a bull and six cows under a tree
near Battiest OK. (The National Weather Summary)
...1988...
Late afternoon thunderstorms produced severe weather in southwestern Lower
Michigan and northern Indiana. One thunderstorm spawned a tornado north of
Nappanee IN which caused half a million dollars damage. Six cities in
California reported record high temperatures for the date. The afternoon
high of 100 degrees at Red Bluff CA was the latest such reading of record
for so late in the autumn season. (The National Weather Summary) (Storm
Data)
...1989...
Heavy snow blanketed the foothills of Colorado. Up to three inches was
reported around Denver. Echo Lake was buried under nineteen inches of snow.
Temperatures again warmed into the 80s and lower 90s in the eastern and
south central U.S. Thirteen cities reported record high temperatures for
the date, including Atlantic City NJ with a reading of 84 degrees. (Storm
Data) (The National Weather Summary)


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