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Stephenson County, IL Weather and Climate Synopsis

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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

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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
849 PM CDT Tue May 22 2018

High clouds moved into central Illinois this evening, and will
continue through the overnight. Otherwise, clear skies in the
southeast will persist tonight. Temperatures after sunset fell
through the 70s and into the 60s.

High pressure will linger in southern Wisconsin through mid-week
before slowly progressing eastward during the second half of the 
week. This will hold dry conditions and warmer temperatures in 
place for much of the region through Friday morning.

Lows tonight will range from the lower 50s in northern Illinois, 
to the mid 60s in southern Illinois. Highs Wednesday will increase
a few degrees in northern Illinois to near 80, while remaining in
the mid 80s in southern Illinois.

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 STEPHENSON County
Issued at 1200 AM CDT WED MAY 23 2018

MOLINE         FAIR      62  59  90 E3        30.08S                  
STERLING*      FAIR      61  60  97 E5        30.11R                  
SAVANNA*       FAIR      60  59  96 NE3       30.10R                  

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 1200am CDT, Wednesday May 23, 2018

Across Illinois...temperatures are near 55 degrees north, near 63 degrees central, and near 63 degrees south. Current sky conditions are fair north, fair central, and not available south. In the north, relative humidity is near 96%, and the dew point is near 54 degrees. In the central part of the state, relative humidity is near 81%, and the dew point is near 57 degrees. In the south, relative humidity is near 97%, and the dew point is near 62 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. There is patchy fog south. Winds are calm north, where conditions are favorable for spraying. Winds are from the north at 5 mph central, where conditions are favorable for spraying. Winds are calm south, where conditions are not favorable for spraying due to not available. Based on current available observations, the highest temperature is 73 degrees at Flora. The lowest temperature is 48 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 STEPHENSON County,IL

325 PM CDT Tue May 22 2018


A few thunderstorms are possible late tonight for areas north of 
Interstate 80 and west of the Mississippi River. Severe weather is
not expected.

Areas of fog are possible after midnight, mainly east of the 
Mississippi River and north of Interstate 80. The fog could become
locally dense and last into early Wednesday morning.


There is a near daily chance of thunderstorms. However, most
days storm coverage will be isolated thus many dry hours are 
expected. Any threat for organized severe storms appears low.

Heat index values will top out in the upper 80s to lower 90s
each afternoon from Thursday through Monday.


Spotter activation will not be needed today or tonight.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For STEPHENSON County, IL
857 PM CDT Tue May 22 2018

Mostly clear. Areas of fog after midnight. Low in the mid 50s. East wind 5 to 10 mph.

Partly sunny. Areas of fog in the morning. High in the upper 70s. South wind 5 to 10 mph.

Partly cloudy. Low in the upper 50s. Southeast wind 5 to 10 mph.

Mostly sunny. High in the mid 80s. South wind 5 to 10 mph.

Mostly clear. Low in the lower 60s. South wind 5 to 10 mph.

Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. High in the upper 80s.

Mostly cloudy. Low in the mid 60s.

Partly cloudy. High in the mid 80s. Low in the mid 60s.

Mostly sunny. A chance of showers in the afternoon. High in the mid 80s. Chance of showers 30 percent.

Partly cloudy. Low in the lower 60s. High in the mid 80s.

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
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                MAY 28-JUN 1 MAY 30-JUN 5    MAY       MAY-JUL                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Above      Above                      
 Precipitation:     Normal        Below     Normal      Above                      

....  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

Wednesday May 23, 2018 the 143th Day of Year

Declination 20.770000
Distance 0.999717 AU
Rise 06:37 EDT Set 21:15 EDT
Transit Meridian 13:55 EDT
Civil Twilight Begins 06:07 EDT Ends 21:45 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

An F4 tornado struck Mineral Point, WI killing 17 and injuring 45. A record 
book was carried 60 miles from a schoolhouse. In Primrose Township, the 
deed to Chandler Farm was found 10 miles away. (NWS Louisville)
An unusual late season snow blanketed eastern Iowa, with four to six inches
reported around Washington. (David Ludlum) (The Weather Channel)
The temperature at Hollis OK soared from a morning low of 70 degrees to an
afternoon high of 110 degrees to establish a state record for the month of
May. (The Weather Channel)
An F3 tornado moved through the northeast and east sections of Leitchfield 
KY. An F0 tornado was spotted at Priceville KY. An F0 tornado touched down 
briefly in Taylor County. (NWS Louisville)

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