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Louisa County, IA Weather and Climate Synopsis

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Weather Summary Hourly Observations Nowcast Precision Ag., Lawn & Garden Guidance
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

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A joint service of the UK Ag Weather Center and the National Weather Service.

Weather Summary for Iowa
National Weather Service Des Moines IA
518 PM CDT Fri Jul 20 2018

After an eventful day with a few destructive tornadoes yesterday, the
area was greeted with a much needed quiet day weather wise. Scattered
clouds were seen as the big upper level low pressure system moved to
the east, also providing some breezy northwest winds around 15 to 20
mph and gusts to 25 plus mph at times. Highs were very comfortable,
generally a few degrees below normal, in the mid 70s to low 80s in
most locations. 

The story going forward will be for overall quiet and comfortable
weather for mid to late July. The weather will predominantly be quiet
with only a couple scattered opportunities for showers or storms next 
week, and temperatures in the upper 70s to mid 80s for highs.

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 700 PM CDT FRI JUL 20 2018

DAVENPORT      FAIR      75  64  68 W15G28    29.78S                  
6HR MIN TEMP:  72; 6HR MAX TEMP:  75;                                

IOWA CITY      FAIR      77  65  66 NW13G24   29.81F                  
6HR MIN TEMP:  72; 6HR MAX TEMP:  78;                                

MT. PLEASANT * MOSUNNY   77  66  69 NW8       29.83S                  
MUSCATINE *    FAIR      77  66  69 NW13G20   29.80S                  
QUAD CITIES    FAIR      76  66  71 W18G29    29.76S                  
6HR MIN TEMP:  73; 6HR MAX TEMP:  77;                                

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

Current Agricultural Weather Conditions in Iowa
Based on observations at 700pm CDT, Friday July 20, 2018

Across Iowa...temperatures are near 83 degrees west, near 81 degrees central, and near 75 degrees east. Current sky conditions are partly sunny west, mostly sunny central, and fair east. In the west, relative humidity is near 50%, and the dew point is near 63 degrees. The heat index is near 84 degrees west. In the central part of the state, relative humidity is near 50%, and the dew point is near 61 degrees. The heat index is near 82 degrees central. In the east, relative humidity is near 68%, and the dew point is near 64 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. Winds are from the north at 8 mph west, where conditions are favorable for spraying. Winds are from the northwest at 14 mph with gusts at 28 mph central, where conditions are not favorable for spraying due to strong winds. Winds are from the west at 15 mph with gusts at 28 mph east, where conditions are not favorable for spraying due to strong winds. Based on current available observations, the highest temperature is 83 degrees at Sioux City. The lowest temperature is 69 degrees at Dubuque.

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

358 PM CDT Fri Jul 20 2018


No hazardous weather is expected at this time.


Isolated thunderstorms are possible Saturday and Sunday during 
the afternoon and evening, mainly in the counties along and east 
of the Mississippi River. The areal coverage of storms will be
low. Lightning is the primary risk.


Spotter activation will not be needed this afternoon or tonight.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For LOUISA County, IA
713 PM CDT Fri Jul 20 2018

Partly cloudy. Low in the mid 60s. Northwest wind 10 to 15 mph. Gusts up to 30 mph in the evening.

Mostly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. High in the lower 80s. Northwest wind 10 to 20 mph with gusts to around 25 mph.

Partly cloudy. Low in the mid 60s. Northwest wind 10 to 15 mph. Gusts up to 25 mph in the evening.

Partly sunny. High in the lower 80s. North wind 10 to 15 mph.

Partly cloudy. Low in the mid 60s. North wind 5 to 10 mph.

Sunny. High in the mid 80s.

Mostly clear. Low in the mid 60s. High in the mid 80s.

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

Partly sunny with a 30 percent chance of showers and thunderstorms. High in the lower 80s.

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
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 26-30 JUL 28-AUG 3    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Above     Normal                      
 Precipitation:      Above        Above     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
Almanac Information

Friday July 20, 2018 the 201th Day of Year

Declination 20.470000
Distance 0.999716 AU
Rise 06:56 EDT Set 21:44 EDT
Transit Meridian 14:20 EDT
Civil Twilight Begins 06:25 EDT Ends 22:15 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

The temperature at Washington D.C. soared to an all-time record of 106
degrees. The next day Millsboro reached 110 degrees to set a record for the
state of Delaware. July 1930 was one of the hottest and driest summers in
the U.S., particularly in the Missouri Valley where severe drought
conditions developed. Toward the end of the month state records were set
for Kentucky with 114 degrees, and Mississippi with 115 degrees. (David
The temperature at Keokuk IA soared to 118 degrees to establish a state
record. (The Weather Channel)
Twenty-two inches of hail reportedly fell northeast of Dickinson ND. (The
Weather Channel)
The temperature at Charleston SC hit 104 degrees for the second day in a
row to tie their all-time record high. (The Weather Channel)
Thunderstorms produced severe weather across Minnesota, Wisconsin and
Michigan. Thunderstorms produced wind gusts to 87 mph at Mosinee WI, and
strong thunderstorm winds capsized twenty-six boats on Grand Traverse Bay
drowning two women. Thunderstorms produced nine inches of rain at Shakopee
MN, with 7.83 inches reported in six hours at Chaska MN. Thunderstorms in
north central Nebraska produced hail as large as golf balls in southwestern
Cherry County, which accumulated to a depth of 12 inches. (The National
Weather Summary) (Storm Data)
The temperature at Redding CA soared to an all-time record high of 118
degrees. Showers and thunderstorms produced much needed rains from New
England to southern Texas. Salem IN was deluged with 7.2 inches of rain
resulting in flash flooding. (The National Weather Summary)
Showers and thunderstorms in the Middle Atlantic Coast Region soaked
Wilmington DE with 2.28 inches of rain, pushing their total for the period
May through July past the previous record of 22.43 inches. Heavy rain over
that three month period virtually wiped out a 16.82 inch deficit which had
been building since drought conditions began in 1985. Thunderstorms in
central Indiana deluged Lebanon with 6.50 inches of rain in twelve hours,
and thunderstorms over Florida produced wind gusts to 84 mph at Flagler
Beach. (The National Weather Summary) (Storm Data)

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