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Louisa County, IA Weather and Climate Synopsis

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Weather Summary for Iowa
National Weather Service Des Moines IA
520 PM CST Sun Dec 17 2017

Today was rather interesting across Iowa. Most of the state has seen
wide spread stratus cloud cover since the morning hours. Throughout
the afternoon, central Iowa did have some substantial breaks in cloud
cover. There have been reports of light rain showers throughout the
state, with traces of snow sprinkled in. Temperatures this afternoon
hit the mid to upper 30s. Winds have not been strong, coming from the
northwest at less than 5 miles per hour. 

The rest of the Midwest has experienced similar conditions in terms of
cloud cover and isolated rain showers. Temperatures in Missouri and
Kansas were a little warmer, with high temperatures in the mid 40s. 

For this evening, some portions of Iowa will see cloud cover
dissipate, others will see the cloud cover linger. No substantial
precipitation if any is expected this evening. Temperatures will drop
into the mid 20s, and perhaps a few degrees cooler in areas where the
cloud cover dissipates. For heading into the start of the work week, 
temperatures will rebound back into the mid 40s. 



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

Precision Agriculture Weather Forecast For LOUISA County


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Regional Hourly Observations For LOUISA County
Issued at 100 AM CST MON DEC 18 2017

   EAST CENTRAL IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      FOG       38  38 100 SW5       29.96F VSB 1/4 WCI  34  
IOWA CITY      CLOUDY    38  36  92 W10       29.98F FOG     WCI  31  
MT. PLEASANT * CLOUDY    42  42 100 SW7       29.97F                  
MUSCATINE *    CLOUDY    41  41 100 W12       29.98S FOG              
QUAD CITIES    CLOUDY    42  41  96 SW7       29.94F FOG              

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel


Current Agricultural Weather Conditions in Iowa
Based on observations at 1200am CST, Monday December 18, 2017

Across Iowa...temperatures are near 21 degrees west, near 29 degrees central, and near 38 degrees east. Current sky conditions are clear west, mostly cloudy central, and fog east. In the west, relative humidity is near 96%, and the dew point is near 20 degrees. In the central part of the state, relative humidity is near 85%, and the dew point is near 25 degrees. In the east, relative humidity is near 97%, and the dew point is near 37 degrees. Visibility is less than one mile east. Winds are from the east at 3 mph west, where conditions are favorable for spraying. Winds are from the west at 5 mph central, where conditions are favorable for spraying. The wind chill is near 24 degrees central. Winds are from the southwest at 5 mph east, where conditions are not favorable for spraying due to fog. The wind chill is near 34 degrees east. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 44 degrees at Burlington. The lowest temperature is 20 degrees at Spencer.


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), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For LOUISA County,IA

337 PM CST Sun Dec 17 2017

 DAY ONE  THIS AFTERNOON AND TONIGHT

Fog and drizzle will develop tonight over portions of the outlook
area. The potential for dense fog is low, but there is a chance
for some patchy freezing drizzle to occur where the surface 
temperature drops below freezing late this evening into early 
Monday morning. The favored areas are along and east of a line
from DeWitt to Dubuque. If freezing drizzle does occur, it may
linger into the Monday morning commute, especially in far 
northwest Illinois.

 DAYS TWO THROUGH SEVEN  MONDAY THROUGH SATURDAY

Latest indications regarding the Thursday into Friday storm system, 
are that it is shifting the higher potential for accumulating 
snow to the northwest and north of the Outlook Area. It is still 
early for determining the exact track of this system, and those 
with travel plans late in the week should keep up with the latest 
forecasts and updates.

 SPOTTER INFORMATION STATEMENT  

Reports of any slick road conditions late tonight and early Monday
morning would be appreciated.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For LOUISA County, IA
1142 PM CST Sun Dec 17 2017

REST OF TONIGHT
Cloudy. A chance of drizzle late in the evening. Areas of fog through the night. Low in the mid 30s. West wind 5 to 10 mph. Chance of precipitation 30 percent.

MONDAY
Partly sunny in the morning then clearing. High around 50. Southwest wind 10 to 15 mph. Gusts up to 25 mph in the afternoon.

MONDAY NIGHT
Partly cloudy. Low in the mid 30s. Southwest wind 10 to 15 mph. Gusts up to 25 mph in the evening.

TUESDAY
Mostly sunny. High in the lower 50s. Northwest wind 10 to 15 mph.

TUESDAY NIGHT
Mostly clear. Low in the mid 20s. North wind 5 to 10 mph.

WEDNESDAY
Mostly sunny. High in the mid 40s.

WEDNESDAY NIGHT AND THURSDAY
Mostly cloudy. Low in the lower 30s. High in the upper 40s.

THURSDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then a chance of rain and snow after midnight. Low in the lower 30s. Chance of precipitation 40 percent.

FRIDAY
Mostly cloudy with a 30 percent chance of rain and snow. High in the upper 30s.

FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy. Low around 19. High around 30.

SUNDAY
Mostly cloudy with a 40 percent chance of snow. High in the mid 20s.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2


Medium & Long Range Outlook For Iowa
                                 IOWA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 23-27 DEC 25-DEC 31    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below     Normal      Below                      
 Precipitation:      Below        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
Almanac Information

Monday December 18, 2017 the 352th Day of Year

---------------------------------------------------
SUN
Declination -23.410000
Distance 0.999725 AU
Rise 08:38 EST Set 17:45 EST
Transit Meridian 13:11 EST
Civil Twilight Begins 08:07 EST Ends 18:15 EST

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

DECEMBER 18TH
HISTORIC WEATHER EVENTS
...1957...
A tornado swept across Jackson County, Williamson County and Franklin
County in southern Illinois killing eleven persons. (David Ludlum)
...1981...
A heavy lake-effect snow blanketed the southern and southeast shores of
Lake Michigan leaving up to 22 inches of snow at Valparaiso IND. (David
Ludlum)
...1983...
Record cold hit the north central states. At Havre MT the mercury plunged
to a record reading of 34 degrees below zero. (Sandra and TI Richard
Sanders - 1987)
...1984...
A storm over southern California left up to 16 inches of snow in the
mountains and upper deserts, with 13 inches reported at Lancaster. Edwards
Air Force Base was closed, and Interstate 5 was closed from Castaic to the
Tehachapis Mountains. (18th-19th) (The Weather Channel)
...1986...
A strong winter storm, which developed off the coast of New Jersey and
moved out to sea, lashed the northeastern U.S. with high winds, heavy rain,
and heavy snow. The storm left snowfall amounts of up to 30 inches in
Vermont, 24 inches in Massachusetts, and 20 inches in New Hampshire. The
highest rainfall amounts approached four inches in southern New England,
where winds gusted to 70 mph. (Storm Data)
...1987...
A weakening storm moved into the Rocky Mountain Region producing six inches
of snow at the Platoro Reservoir in the San Juan Mountains of Colorado. The
storm then spread rain and drizzle across the Southern High Plains into the
Middle Mississippi Valley, with thunderstorms over Texas. (Storm Data) (The
National Weather Summary)
...1988...
Warm weather prevailed in the central U.S. while cool weather prevailed
across the eastern states. Sheridan WY, with a record warm afternoon high
of 68 degrees, was seven degrees warmer than Key West FL. (The National
Weather Summary)
...1989...
A winter storm moving out of the Great Plains Region spread freezing rain,
sleet and snow across parts of the southeastern U.S. Freezing rain resulted
in 170 auto accidents in the Memphis area during the evening hours.
Unseasonably warm weather continued ahead of arctic cold front. Miami FL
equalled their record for December with an afternoon high of 87 degrees.
(Storm Data) (The National Weather Summary)

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