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Knox County, IL Weather and Climate Synopsis

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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
858 PM CDT Wed Jul 31 2019

Cirrus clouds moved across western Illinois this evening, as a
band of rainfall slid through eastern Missouri. Temperatures late
evening were beginning to fall into the 60s.

The dry and seasonable weather pattern will continue through the
remainder of this week and into the weekend. As High pressure
slides toward the East Coast this weekend, temperatures will climb
back into the upper 80s to near 90 by Sunday.

Lows tonight will drop into the mid 50s to mid 60s. Highs Thursday
will peak in the upper 70s across northeast Indiana, increasing
southwest to the mid 80s in Missouri.

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 KNOX County
Issued at 700 PM CDT TUE APR 23 2024

WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         PTCLDY    65  53  65 SW8       29.89S TC  18           
GALESBURG*     CLEAR     66  36  32 NW16G29   29.86R TC  19           
MACOMB*        CLEAR     65  50  60 SW12      29.89R TC  18           
JACKSONVILLE*  CLEAR     60  49  67 SW8       29.90S TC  16           
PITTSFIELD*    CLEAR     64  51  63 SW7       29.91S TC  18           

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 700pm CDT, Tuesday April 23, 2024

Across Illinois...temperatures are near 63 degrees north, near 58 degrees central, and near 55 degrees south. Current sky conditions are partly cloudy north, clear central, and light rain south. In the north, relative humidity is near 35%, and the dew point is near 35 degrees. In the central part of the state, relative humidity is near 84%, and the dew point is near 53 degrees. In the south, relative humidity is near 100%, and the dew point is near 55 degrees. Winds are from the northwest at 17 mph with gusts at 29 mph north, where conditions are not favorable for spraying due to strong winds. Winds are from the southwest at 13 mph central, where conditions are not favorable for spraying due to strong winds. Winds are calm south, where conditions are not favorable for spraying due to light rain. Based on current available observations, the highest temperature is 81 degrees at Marion. The lowest temperature is 55 degrees at Sparta, Paris, Mount Vernon, Mattoon, Lansing, Flora, Danville, and Alton.


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 KNOX County,IL

350 PM CDT Tue Apr 23 2024

 DAY ONE  Tonight.

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Wednesday through Monday.

Look for periods of isolated to scattered thunderstorms from 
Thursday night through Sunday. Some of the storms could be severe, 
with potential for all severe threats. The greatest severe storm 
chances during the Thursday night to Sunday time frame are currently
on Friday and Friday night, along and west of the Illinois River,
and also Sunday afternoon and Sunday night across the whole area.

Excessive rainfall is possible Thursday night through Monday. Most
locations could see anywhere from 2 to 3 inches of rain through the
period. However, there is a 10-20% chance of greater than 3 inches 
of rain along and west of I-55 from Friday morning through Monday 
morning. 

Minor flooding should end along the Wabash river today, while minor
flooding along the Illinois River will continue through the week.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated tonight.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For KNOX County, IL
621 PM CDT Tue Apr 23 2024

TONIGHT
Mostly clear. Cooler with lows in the lower 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph, becoming north around 10 mph after midnight.

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

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. East winds 5 to 10 mph.

THURSDAY
Mostly sunny. Highs in the mid 60s. Southeast winds around 10 mph.

THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Not as cool with lows in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

FRIDAY
Showers. A chance of thunderstorms in the afternoon. Windy with highs in the upper 60s. Chance of rain near 100 percent.

FRIDAY NIGHT
Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Windy and not as cool. Near steady temperature in the mid 60s. Chance of rain near 100 percent.

SATURDAY
Partly sunny with a chance of showers and thunderstorms. Breezy and not as cool with highs in the upper 70s. Chance of rain 50 percent.

SATURDAY NIGHT AND SUNDAY
Showers with a chance of thunderstorms. Breezy. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 80 percent.

SUNDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Breezy with lows in the mid 50s. Chance of rain 70 percent.

MONDAY
Partly sunny with a 50 percent chance of showers. Cooler with highs in the mid 60s.

MONDAY NIGHT
Partly cloudy. Lows in the mid 40s.

TUESDAY
Sunny. Highs around 70.

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 
                APR 29-MAY 3  MAY 1-MAY 7    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above                                            
 Precipitation:     Normal       Normal                                            

....  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 April 23, 2024 the 114th Day of Year

---------------------------------------------------
SUN
Declination 13.040000
Distance 0.999718 AU
Rise 07:08 EDT Set 20:47 EDT
Transit Meridian 13:57 EDT
Civil Twilight Begins 06:41 EDT Ends 21:14 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

APRIL 23RD
HISTORIC WEATHER EVENTS
...1885...
The city of Denver CO was in the midst of a storm which produced 23 inches
of snow in 24 hours, and at Idaho Springs CO produced 32 inches of snow.
(David Ludlum)
...1910...
The temperature at the Civic Center in Los Angeles CA hit 100 degrees to
establish an April record for the city. (The Weather Channel)


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