A joint service of the UK Ag Weather Center and the National Weather Service.
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Regional Hourly Observations For MCHENRY County
Issued at 1200 PM CDT SUN MAY 27 2018
NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE FAIR 91 62 37 S5 29.87R HX 91 CHICAGO-MIDWAY FAIR 91 64 40 VRB3 29.87R HX 92 AURORA FAIR 91 64 40 CALM 29.88S HX 92 LANSING* FAIR 90 69 50 SW3 29.88S HX 94 JOLIET* FAIR 91 69 49 S3 29.88S HX 95 WAUKEGAN FAIR 90 59 35 CALM 29.87R HX 89 DUPAGE AIRPORT FAIR 90 65 43 S6 29.88R HX 92 KANKAKEE* FAIR 92 65 41 SW7 29.89S HX 93 WHEELING FAIR 93 60 33 CALM 29.89R HX 93 MORRIS* FAIR 92 60 33 W5 29.87R HX 92 ROMEOVILLE* FAIR 90 64 41 W5 29.88S HX 91
Current Agricultural Weather Conditions in Illinois
Based on observations at 1200pm CDT, Sunday May 27, 2018
Across Illinois...temperatures are near 90 degrees north, near 90 degrees central, and near 89 degrees south. Current sky conditions are fair north, fair central, and fair south. In the north, relative humidity is near 42%, and the dew point is near 64 degrees. The heat index is near 91 degrees north. In the central part of the state, relative humidity is near 53%, and the dew point is near 71 degrees. The heat index is near 96 degrees central. In the south, relative humidity is near 60%, and the dew point is near 74 degrees. The heat index is near 98 degrees south. The livestock heat stress category is danger north, danger central, and danger south. Winds are from the southwest at 5 mph north, where conditions are favorable for spraying. Winds are from the south at 10 mph central, where conditions are favorable for spraying. Winds are from the south at 5 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 94 degrees at Peru. The lowest temperature is 80 degrees at Fairfield.
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 MCHENRY County,IL
351 AM CDT Sun May 27 2018 /451 AM EDT Sun May 27 2018/ DAY ONE Today and Tonight. WEATHER HAZARDS EXPECTED: Limited Thunderstorm Risk. Limited Excessive Heat Risk. DISCUSSION: Early season heat will result in maximum heat index values in the mid to upper 90s today. Isolated thunderstorms are possible west of a McHenry to Pontiac, Illinois this afternoon. Severe storms are not expected. DAYS TWO THROUGH SEVEN Monday through Saturday. MondayLimited Excessive Heat Risk. Wednesday through Saturday Limited Thunderstorm Risk. DISCUSSION: Maximum heat index values are forecast to once again be in the mid to upper 90s Memorial Day Monday away from the lake. SPOTTER INFORMATION STATEMENT Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving from the northwest to southeast at 20 MPH.
7-Day Forecast For MCHENRY County, IL
1138 AM CDT Sun May 27 2018
REST OF TODAY TONIGHT MEMORIAL DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THROUGH FRIDAY NIGHT SATURDAY
THURSDAY THROUGH FRIDAY NIGHT
12-48 Hr Surface,
12-48 Hr ETA 500mb/Sfc,
Day 1 Precip,
Day 2 Precip,
Days 1-5 Precip
Medium & Long Range Outlook For Illinois
ILLINOIS --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY JUN 1-JUN 5 JUN 3-JUN 9 MAY MAY-JUL ----------- ----------- -------- --------- Temperature: Above Normal Above Above Precipitation: Below Below Normal Above .... Medium and long range outlooks provided by NCEP/K. Thomas Priddy5 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
Sunday May 27, 2018 the 147th Day of Year --------------------------------------------------- SUN Declination 21.460000 Distance 0.999716 AU Rise 06:35 EDT Set 21:18 EDT Transit Meridian 13:56 EDT Civil Twilight Begins 06:05 EDT Ends 21:48 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 27TH...HISTORIC WEATHER EVENTS ...1896... A massive tornado struck Saint Louis MO killing 306 persons and causing thirteen million dollars damage. The tornado path was short, but cut across a densely populated area. It touched down six miles west of Eads Bridge in Saint Louis and widened to a mile as it crossed into East Saint Louis. The tornado was the most destructive of record in the U.S. up until that time. It pierced a five-eighths inch thick iron sheet with a two by four inch pine plank. A brilliant display of lightning accompanied the storm. (David Ludlum) (The Weather Channel) ...1873... A tornado struck Louisville, with terrific lightning. (NWS Louisville) ...1987... Severe thunderstorms in West Texas produced baseball size hail at Crane, hail up to three and a half inches in diameter at Post, and grapefruit size hail south of Midland. Five days of flooding commenced in Oklahoma. Thunderstorms produced 7 to 9 inches of rain in central Oklahoma. Oklahoma City reported 4.33 inches of rain in six hours. Up to six inches of rain caused flooding in north central Texas. (The National Weather Summary) (Storm Data) ...1995... An F0 tornado struck a farm near Campbellsburg (Washington County Indiana). (NWS Louisville) ...1996... Lightning struck and injured a person in Lexington. (NWS Louisville)
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky