Clinton County, Illinois Weather and Climate Synopsis

Regional Hourly Observations Nowcast: 0-6 Hour Forecast Forecast: 7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

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

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

SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOSUNNY   85  62  46 N6        29.86S HX  85  TC  29   
CAIRO*         SUNNY     85  64  49 E7        29.86R HX  86  TC  29   
EFFINGHAM*     MOSUNNY   81  63  54 SE5       29.89S HX  82  TC  27   
MARION         PTSUNNY   82  64  54 NE3       29.86S HX  84  TC  28   
MT. VERNON     SUNNY     84  60  44 CALM      29.87S HX  84  TC  29   
CENTRALIA*     SUNNY     82  62  51 CALM      29.87S HX  82  TC  28   
SALEM*         SUNNY     84  59  43 CALM      29.87S HX  84  TC  29   
METROPOLIS*    MOSUNNY   83  61  46 NE3       29.86S HX  83  TC  29   

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

.TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the
lower 60s. South winds around 5 mph. 
.SUNDAY...Sunny. Highs in the upper 80s. Southwest winds around
5 mph, becoming south in the afternoon. 
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
around 5 mph. 
.MONDAY...Mostly sunny. Highs in the mid 80s. South winds 5 to
10 mph. 
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. South winds
5 to 10 mph. Chance of rain 20 percent. 
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
.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...Partly cloudy with a chance of showers. A
chance of thunderstorms, mainly in the evening. Cooler with lows
in the upper 50s. Chance of rain 50 percent. 
.THURSDAY...Sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs around 80. Chance
of rain 20 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. 
.FRIDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the lower 60s. Chance of
rain 50 percent. 
.SATURDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the lower 80s.
Chance of rain 40 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 ,

                 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

Saturday May 18, 2024 the 139th Day of Year

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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

////////////////////////////
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)