Jefferson County, Illinois
Weather and Climate Synopsis

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Current Surface Map, [TWC], Yesterday's Highs , Lows
Map of 24 Hr Rainfall (7AM - 7AM EST), 7 Day Rainfall Animation


WEATHER ROUNDUP FOR JEFFERSON COUNTY: Regional Hourly Observations
300 PM CDT SAT MAY 18 2024

SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOSUNNY   83  63  50 VRB3      29.87F HX  84  TC  28   
CAIRO*         MOSUNNY   82  66  57 NE8       29.86F HX  85  TC  28   
EFFINGHAM*     SUNNY     82  61  47 CALM      29.90F HX  83  TC  28   
MARION         PTSUNNY   81  64  57 NW5       29.88S HX  82  TC  27   
MT. VERNON     SUNNY     84  61  45 CALM      29.88F HX  84  TC  29   
CENTRALIA*     SUNNY     83  62  48 SW3       29.88F HX  84  TC  29   
SALEM*         MOSUNNY   82  61  49 CALM      29.88F HX  82  TC  28   
METROPOLIS*    MOSUNNY   81  61  49 N3        29.87F HX  82  TC  27   

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


Current NOWCAST not available US Radar, All NWS Radars (In near-real time),Livestock Heat Stress Index (LSI), Wind Chill Map
FORECAST FOR JEFFERSON COUNTY: 7-Day Forecast
Sat May 18 15:01:48 EDT 2024

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
mid 80s. Calm winds. 
.TONIGHT...Mostly clear. Lows in the lower 60s. Calm winds. 
.SUNDAY...Sunny. Highs in the upper 80s. West winds around 5 mph,
becoming southeast around 5 mph in the afternoon. 
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 5 mph. 
.MONDAY...Mostly sunny. Highs in the upper 80s. South winds 5 to
10 mph. 
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s. 
.TUESDAY...Sunny. Highs in the upper 80s. 
.TUESDAY NIGHT AND WEDNESDAY...Showers likely with a chance of
thunderstorms. Lows in the upper 60s. Highs in the lower 80s.
Chance of rain 70 percent. 
.WEDNESDAY NIGHT...A chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the upper 50s.
Chance of rain 50 percent. 
.THURSDAY...Sunny. A chance of showers in the afternoon. Highs
around 80. Chance of rain 40 percent. 
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of showers
and thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Chance of rain 50 percent. 

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


MEDIUM & LONG RANGE OUTLOOK

                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY     120 DAY    180 DAY
                                           NOV05   NOV05-JAN06 DEC05-FEB06 FEB06-APR06
                 -----------  -----------  --------  ---------  ---------  ---------
   Temperature:      Below        Below      Above     Normal     Normal     Normal
 Precipitation:      Below        Below     Normal     Normal     Normal     Normal

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
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 May 18, 2024 the 139th Day of Year

---------------------------------------------------
SUN
Declination 19.880000
Distance 0.999717 AU
Rise 06:41 EDT Set 21:11 EDT
Transit Meridian 13:55 EDT
Civil Twilight Begins 06:11 EDT Ends 21:41 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

////////////////////////////
MAY 18TH...HISTORIC WEATHER EVENTS
...1825...
A tornado (said to have crossed all of the state of Ohio) smashed into the
log cabin settlement of Burlington, northeast of Columbus. (David Ludlum)
...1960...
Salt Lake City UT received an inch of snow. It marked their latest
measurable snowfall of record. (The Weather Channel)
...1980...
Mount Saint Helens (in Washington State) erupted spewing ash and smoke
sixty-three thousand feet into the air. Heavy ash covered the ground to the
immediate northwest, and small particles were carried to the Atlantic
coast. (David Ludlum)




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