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Putnam County, IL Weather and Climate Synopsis

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Weather Summary For Central And Southeast Illinois
National Weather Service Lincoln IL
432 AM CDT Mon Aug 21 2017

Isolated showers and thunderstorms moved through eastern Illinois
during the overnight. Otherwise muggy conditions were felt, with
temperatures early this morning only dropping into the mid and
upper 60s.

A frontal system will remain nearly stationary across the Upper 
Midwest, through the first part of the work week. As a result, 
showers and thunderstorms will persist across portions of the 
western Midwest this morning, before diving to the southeast. 
Summer like conditions will continue today, especially for 
southern portions of the Midwest. As the front passes through the 
area Tuesday, dry weather and cooler temperatures will move into 
the area, then last through the end of the work week.

High temperatures today will top out in the upper 80s to low 90s,
while lows Monday night only bottom out around 70 for central

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

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Regional Hourly Observations For PUTNAM County
Issued at 1000 AM CDT MON AUG 21 2017

ROCKFORD       CLOUDY    76  70  82 NW8       30.10S                  
FREEPORT*      CLOUDY    70  69  96 CALM      30.09F                  
ROCHELLE*      CLOUDY    72  70  95 NW6       30.10F FOG              
DE KALB*       CLOUDY    74  72  91 W9        30.11R                  
PERU*          CLOUDY    71  67  88 S5        30.11S                  

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 1000am CDT, Monday August 21, 2017

Across Illinois...temperatures are near 76 degrees north, near 81 degrees central, and near 84 degrees south. Current sky conditions are cloudy north, cloudy central, and not available south. In the north, relative humidity is near 82%, and the dew point is near 70 degrees. In the central part of the state, relative humidity is near 79%, and the dew point is near 74 degrees. The heat index is near 86 degrees central. In the south, relative humidity is near 76%, and the dew point is near 76 degrees. The heat index is near 93 degrees south. The livestock heat stress category is no stress north, no stress central, and danger south. Winds are from the northwest at 8 mph north, where conditions are favorable for spraying. Winds are from the southwest at 9 mph central, where conditions are favorable for spraying. Winds are from the south at 6 mph south, where conditions are not favorable for spraying due to not available. Based on current available observations, the highest temperature is 86 degrees at Marion. The lowest temperature is 67 degrees at Galesburg.

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 PUTNAM County,IL

430 AM CDT Mon Aug 21 2017


A complex of thunderstorms moving into the outlook area early this
morning will produce locally heavy rainfall, frequent lightning
and wind gusts up to 40 mph. Rainfall amounts of 1 inch or more 
in less than an hour may cause some localized flooding. 

Isolated thunderstorms are possible through the rest of the day.
Some of these storms could produce hail over 1 inch in diameter,
wind gusts over 60 mph and heavy rainfall. 

Tonight, widespread thunderstorms are expected as a cold front
moves through the area. These storms may produce damaging winds
up to 70 mph and heavy rainfall. The Storm Prediction Center has
placed a slight risk for severe storms over most of the outlook
area for today and tonight.

Heavy rainfall tonight may lead to totals as high as 3 inches in a
few locations overnight, which could lead to flash flooding.


The probability for widespread hazardous weather is low.


Spotter activation may be needed this afternoon through evening. 

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For PUTNAM County, IL
1012 AM CDT Mon Aug 21 2017

Mostly cloudy with scattered showers and thunderstorms. High in the mid 80s. Southwest wind 5 to 10 mph. Chance of rain 50 percent.

Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms after midnight. Low in the upper 60s. Southwest wind 5 to 10 mph. Chance of rain 90 percent.

Cloudy with showers and thunderstorms in the morning, then mostly sunny in the afternoon. High in the upper 70s. Northwest wind 10 to 15 mph. Chance of rain 90 percent.

Cooler. Mostly clear. Low in the mid 50s. Northwest wind 5 to 10 mph.

Sunny. High in the mid 70s. Northwest wind 5 to 10 mph.

Mostly clear. Low in the mid 50s.

Partly cloudy. High in the upper 70s. Low in the mid to upper 50s.

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 
                   AUG 26-30 AUG 28-SEP 3    AUG       AUG-OCT                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Above      Above                      
 Precipitation:      Below       Normal     Normal     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

Monday August 21, 2017 the 233th Day of Year

Declination 11.700000
Distance 0.999717 AU
Rise 07:17 EDT Set 20:46 EDT
Transit Meridian 14:01 EDT
Civil Twilight Begins 06:50 EDT Ends 21:13 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

A tornado hit Rochester MN killing 31 persons and wrecking 1351 dwellings.
(David Ludlum)
A tornado swarm occurred in Maryland and Delaware. Many waterspouts were
seen over Chesapeake Bay. (Sandra and TI Richard Sanders - 1987)
A tornado struck Tyler MN killing 36 persons and destroying most of the
business section of the town resulting in a million dollars damage. (David
The temperature at Fayetteville NC soared to 110 degrees to establish a
state record. (The Weather Channel)
Early morning thunderstorms produced severe weather in eastern Iowa and
west central Illinois. Thunderstorms produced wind gusts to 82 mph at
Moline IL, and tennis ball size hail at Independence IA. Rock Island IL was
drenched with 3.70 inches of rain. Total damage for the seven county area
of west central Illinois was estimated at twelve million dollars. (National
Weather Summary) (Storm Data)
Thunderstorms spawned several tornadoes in Iowa, produced wind gusts to 63
mph in the Council Bluffs area, and drenched Sioux Center IA with up to
6.61 inches of rain. (Storm Data) (The National Weather Summary)
Afternoon and evening thunderstorms produced severe weather from Kansas to
Minnesota and North Dakota. Thunderstorms in Minnesota produced baseball
size hail from Correll to north of Appleton. Thunderstorms in north central
Kansas produced wind gusts higher than 100 mph at Wilson Dam. Thunderstorms
around Lincoln NE produced baseball size hail and up to five inches of
rain, and Boone NE was deluged with five inches of rain in an hour and a
half. (The National Weather Summary) (Storm Data)

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