Williamson County Weather and Climate Synopsis



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36 Hr. Forecast Map
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Weather Summary

Hourly Observations

Nowcast

Agricultural Weather Outlook

7 Day Forecast

Medium & Long Range Outlook

Almanac

Historical Facts


US Weekly Rainfall Departure		US Weekly Temperature Departure

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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 WILLIAMSON County
Issued at 500 PM CDT FRI APR 19 2024

SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE MOSUNNY 60 33 36 N10 30.17S TC 16 CAIRO* PTSUNNY 63 33 32 NE12G18 30.15S TC 17 MARION MOSUNNY 61 36 39 NE9 30.16F TC 16 MT. VERNON N/A 59 32 36 VRB6 30.17S TC 15 CENTRALIA* CLOUDY 58 34 41 N9 30.19R TC 14 SALEM* MOSUNNY 59 37 43 N13 30.18S TC 15 METROPOLIS* CLOUDY 63 38 39 N9 30.14F TC 17

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 500pm CDT, Friday April 19, 2024

Across Illinois...temperatures are near 55 degrees north, near 57 degrees central, and near 59 degrees south. Current sky conditions are mostly sunny north, partly sunny central, and not available south. In the north, relative humidity is near 32%, and the dew point is near 26 degrees. In the central part of the state, relative humidity is near 37%, and the dew point is near 31 degrees. In the south, relative humidity is near 36%, and the dew point is near 32 degrees. Winds are from the west at 25 mph with gusts at 35 mph north, where conditions are not favorable for spraying due to strong winds. Winds are from the northwest at 10 mph central, where conditions are favorable for spraying. Winds are variable at 6 mph south, where conditions are not favorable for spraying due to not available. Based on current available observations, the highest temperature is 290/ degrees at Northerly Island. The lowest temperature is 53 degrees at Rantoul, De Kalb, and Bloomington.

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

347 AM CDT Fri Apr 19 2024 /447 AM EDT Fri Apr 19 2024/ DAY ONE Today and Tonight No hazardous weather is expected at this time. DAYS TWO THROUGH SEVEN Saturday through Thursday Low temperatures will be in the upper 30s Saturday night across portions of southern Illinois and southeast Missouri. Low temperatures Sunday night will be in the middle to upper 30s across southern Illinois, southwest Indiana, northwest Kentucky and much of southeast Missouri. Light winds and mostly clear skies Sunday night may result in light frost developing. SPOTTER INFORMATION STATEMENT Spotter activation will not be needed.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For WILLIAMSON County, IL
330 PM CDT Fri Apr 19 2024 TONIGHT
Partly cloudy this evening, then clearing. Lows in the lower 40s. North winds 5 to 10 mph.
SATURDAY
Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s. North winds 5 to 10 mph.
SUNDAY
Sunny. Highs in the lower 60s. North winds 5 to 10 mph.
SUNDAY NIGHT
Mostly clear. Lows in the upper 30s. North winds 5 to 10 mph.
MONDAY
Sunny. Highs in the upper 60s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.
TUESDAY
Partly sunny. A chance of showers in the afternoon. Highs around 70. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 40 percent.
WEDNESDAY
Sunny. Highs in the upper 60s.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. Lows in the lower 40s. Highs in the upper 60s.
THURSDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows around 50. Chance of rain 30 percent.
FRIDAY
Partly sunny with a chance of showers. Highs in the lower 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 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 25-29 APR 27-MAY 3 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Precipitation: .... 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 19, 2024 the 110th Day of Year --------------------------------------------------- SUN Declination 11.700000 Distance 0.999719 AU Rise 07:14 EDT Set 20:43 EDT Transit Meridian 13:57 EDT Civil Twilight Begins 06:47 EDT Ends 21:10 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 19TH HISTORIC WEATHER EVENTS ...1775... The first engagement of the Revolutionary War took place under clear crisp weather at Lexington-Concord. (Sandra and TI Richard Sanders - 1987) ...1941... The temperature at Sodus NY soared to 95 degrees. The next day Albany NY reported a record for April of 93 degrees. (The Weather Channel) ...1973... Glenrock WY received 41 inches of snow in just 24 hours, and a storm total of 58 inches, to establish two state records. (18th-20th) (David Ludlum) (The Weather Channel) ...1976... The northeastern U.S. was in the midst of an early season heat wave, and the Boston Marathon took place in 90 degree heat. At Providence RI the mercury hit 98 degrees. (David Ludlum)

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