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 1100 PM CDT WED MAR 21 2018
NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE FAIR 30 21 69 N5 30.23S WCI 25 CHICAGO-MIDWAY FAIR 32 23 69 N8 30.24R WCI 25 AURORA FAIR 28 20 71 E3 30.24R LANSING* FAIR 31 25 81 CALM 30.24R JOLIET* FAIR 29 21 73 CALM 30.25R WAUKEGAN FAIR 25 19 78 NW3 30.23R DUPAGE AIRPORT FAIR 26 21 81 NE3 30.23R KANKAKEE* FAIR 29 19 66 CALM 30.26R WHEELING FAIR 29 21 72 CALM 30.25S MORRIS* FAIR 29 18 62 CALM 30.24R ROMEOVILLE* FAIR 28 23 81 NE8 30.24S WCI 20 NORTHERLY ISL N/A 32 23 70 N9 N/A WCI 24
Current Agricultural Weather Conditions in Illinois
Based on observations at 1100pm CDT, Wednesday March 21, 2018
Across Illinois...temperatures are near 30 degrees north, near 36 degrees central, and near 27 degrees south. Current sky conditions are fair north, fair central, and fair south. In the north, relative humidity is near 60%, and the dew point is near 18 degrees. In the central part of the state, relative humidity is near 52%, and the dew point is near 20 degrees. In the south, relative humidity is near 89%, and the dew point is near 24 degrees. Winds are from the southeast at 7 mph north, where conditions are favorable for spraying. The wind chill is near 23 degrees north. Winds are from the northwest at 3 mph central, where conditions are favorable for spraying. Winds are calm south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 38 degrees at Sparta. The lowest temperature is 25 degrees at Waukegan, Rochelle, and Pontiac.
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
347 PM CDT Wed Mar 21 2018 /447 PM EDT Wed Mar 21 2018/ DAY ONE Tonight. Flooding is expected along portions of the Kankakee River. DAYS TWO THROUGH SEVEN Thursday through Tuesday. Friday and SaturdayElevated Ice Accumulation Risk. Elevated Snow and Sleet Risk. DISCUSSION: A winter storm will impact the region Friday night into Saturday. Minor accumulations will be possible for much of the area but there is the potential for a narrow corridor of heavy snowfall. In addition, some areas near and south of the Illinois River and Kankakee River valleys will experience a wintry mix with the potential for some minor icy accumulations. Portions of the Kankakee River will remain in flood. SPOTTER INFORMATION STATEMENT Spotter activation will not be necessary through tonight.
7-Day Forecast For MCHENRY County, IL
300 PM CDT Wed Mar 21 2018
TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
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 MAR 27-MAR 31 MAR 29-APR 4 MAR MAR-MAY ----------- ----------- -------- --------- Temperature: Above Below Below Normal Precipitation: Above Normal 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
Thursday March 22, 2018 the 81th Day of Year --------------------------------------------------- SUN Declination 1.020000 Distance 0.999721 AU Rise 06:58 EDT Set 19:14 EDT Transit Meridian 13:05 EDT Civil Twilight Begins 06:32 EDT Ends 19:40 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
MARCH 22ND HISTORIC WEATHER EVENTS ...1920... A spectactular display of the Northern Lights was visible as far south as Bradenton FL, El Paso TX, and Fresno CA. At Detroit MI, the display was described "so brilliant as to blot out all stars below first magnitude". (22nd-23rd) (The Weather Channel) ...1936... A great flood crested on rivers from Ohio to Maine. The flood claimed 107 lives and caused 270 million dollars property damage. (David Ludlum) ...1954... Six to ten inch rains caused the Chicago River to overflow its banks. (The Weather Channel)
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky