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Cass 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 CASS County
Issued at 600 PM CDT FRI APR 26 2024

WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

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 600pm CDT, Friday April 26, 2024

Across Illinois...temperatures are near 53 degrees north, near 64 degrees central, and near 79 degrees south. Current sky conditions are cloudy north, partly sunny central, and partly sunny south. In the north, relative humidity is near 86%, and the dew point is near 49 degrees. In the central part of the state, relative humidity is near 78%, and the dew point is near 57 degrees. In the south, relative humidity is near 53%, and the dew point is near 61 degrees. The heat index is near 80 degrees south. Winds are from the east at 15 mph north, where conditions are not favorable for spraying due to strong winds. Winds are from the southeast at 14 mph with gusts at 26 mph central, where conditions are not favorable for spraying due to strong winds. Winds are from the south at 12 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 110/ degrees at Northerly Island. The lowest temperature is 50 degrees at Waukegan.


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 CASS County,IL

325 PM CDT Fri Apr 26 2024

 DAY ONE  Tonight.

Showers and a few are possible at time this evening through tonight.  
Locally heavy rain resulting in ponding of water is possible along 
with dangerous cloud-to-ground lightning. The threat for severe
storms is low, but an isolated stronger storm capable of producing
damaging wind gusts or large hail cannot be ruled out.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday.

Additional thunderstorms are expected Saturday through Sunday night,
which may also become severe. The timing of this severe weather 
threat is more uncertain during this period.

South winds will gust from 30 to 40 mph on Saturday and Sunday.

There will be daily chances for showers and storms Monday through
Thursday. At this time, it is too early to determine the threat for
severe thunderstorms.

 SPOTTER INFORMATION STATEMENT  

Spotter activation may be needed this evening.

Expected storm motion is toward the northeast around 50 mph.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For CASS County, IL
551 PM CDT Fri Apr 26 2024

TONIGHT
Mostly cloudy. Showers and thunderstorms likely, mainly this evening. Not as cool. Near steady temperature in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

SATURDAY
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Not as cool with highs in the upper 70s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

SUNDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Breezy with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 60 percent.

SUNDAY NIGHT
Showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 70s. Chance of rain 50 percent.

MONDAY NIGHT
Partly cloudy in the evening, then clearing. Cooler with lows in the lower 50s.

TUESDAY
Sunny. Highs in the upper 70s.

TUESDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 30 percent.

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.

WEDNESDAY NIGHT AND THURSDAY
Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 50s. Chance of rain 50 percent.

FRIDAY
Mostly sunny. Highs in the upper 60s.

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 
                 MAY 2-MAY 6 MAY 4-MAY 10    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above                                            
 Precipitation:      Above       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

Friday April 26, 2024 the 117th Day of Year

---------------------------------------------------
SUN
Declination 14.010000
Distance 0.999718 AU
Rise 07:04 EDT Set 20:50 EDT
Transit Meridian 13:56 EDT
Civil Twilight Begins 06:37 EDT Ends 21:17 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 26TH
HISTORIC WEATHER EVENTS
...1834...
Killer frosts were reported in the Deep South. The frost was quite severe
around Huntsville AL, and highlighted a backward spring in the South that
year. (David Ludlum)
...1978...
An unusually strong occluded front swept out of the Gulf of Alaska and
produced the first April thunderstorm of record at Fairbanks. Pea size hail
fell northeast of Fairbanks from thunderstorms whose tops were less than
8000 feet. (The Weather Channel)
...1984...
Severe thunderstorms associated with an intense cyclone spawned a total of
forty-seven tornadoes in two days from Louisiana to Upper Michigan. The
tornadoes killed 16 persons and injured 259 others. (Storm Data)


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