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Jefferson County, AR 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





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Weather Summary for Arkansas
National Weather Service Little Rock AR
1130 PM CDT Tue Jul 17 2018

Across Arkansas on Tuesday, partly to mostly sunny conditions were 
seen, with again mainly afternoon to evening showers and 
thunderstorms. A few storms became strong to severe, with strong 
winds and some heavy rain being reported. Localized flooding was 
noted in the Little Rock area. After morning lows mainly in the 70s, 
Tuesday highs reached the 90s in most locations, while Hot Springs 
and Russellville reached 100 degrees. Heat index values reached the 
90s, to 100 to above 105 degrees Tuesday afternoon. Tuesday night, 
isolated showers and thunderstorms will still be possible, with a 
weak frontal boundary across the state, and as some upper level 
energy moves through the region. Lows will be in the 60s to 70s.

For the rest of the week, mainly partly sunny skies are forecast, 
with highs mainly in the 90s with some locations around 100 degrees. 
During the afternoon hours some additional showers and thunderstorms 
are forecast across Arkansas. Late in the week, the hottest days of 
the week with only some an isolated convection possible. Remember to 
drink plenty of water, stay in an air-conditioned room if possible, 
stay out of the sun, and check up on relatives, neighbors and pets.

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 JEFFERSON County
900 AM CDT WED JUL 18 2018


SOUTHEAST ARKANSAS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PINE BLUFF     FAIR      77  75  93 CALM      30.00R FOG              
STUTTGART      FAIR      78  75  90 CALM      30.00S                  
MONTICELLO     FAIR      82  78  88 E5        30.00S HX  91           

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


Current Agricultural Weather Conditions in Arkansas
Based on observations at 800am CDT, Wednesday July 18, 2018

Across Arkansas...temperatures are near 75 degrees north, near 76 degrees central, and near 78 degrees south. Current sky conditions are light rain north, cloudy central, and fair south. In the north, relative humidity is near 93%, and the dew point is near 73 degrees. In the central part of the state, relative humidity is near 100%, and the dew point is near 76 degrees. In the south, relative humidity is near 100%, and the dew point is near 78 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. Winds are from the southeast at 7 mph north, where conditions are not favorable for spraying due to light rain. Winds are calm central, where conditions are favorable for spraying. Winds are from the southwest at 3 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 81 degrees at West Memphis. The lowest temperature is 72 degrees at Mena and Fayetteville.


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 JEFFERSON County,AR

500 AM CDT Wed Jul 18 2018

 DAY ONE  Today and Tonight

Isolated to scattered thunderstorms will be possible today and 
tonight over much of Arkansas. An isolated strong to briefly 
severe storm will also be possible mainly in the afternoon to 
early evening. Stronger storms will be capable of producing gusty 
winds, dangerous lightning and localized heavy rainfall. The heavy
rain may produce localized flooding. 

Heat index values will be in the 90s to some areas seeing around
100 degrees to near 105 degrees in spots, and mainly this 
afternoon to early evening. Extra precautions should be taken to 
minimize the affects of the heat.

 DAYS TWO THROUGH SEVEN  Thursday Through Tuesday

The chance for thunderstorms will gradually lower toward the end
of the week, and especially over the weekend. Only an isolated
severe storm will be possible through the period.

Also, heat index values will remain elevated through the week. 
Most locations will see heat index values in the upper 90s to
around 100 degrees. Friday and over the weekend, some areas may 
see heat index values exceed 105 degrees in the afternoons. 

 Spotter Information Statement  

Spotter activation is not anticipated today through tonight.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For JEFFERSON County, Arkansas
700 AM CDT Wed Jul 18 2018

TODAY
Partly sunny. Patchy fog in the morning. A chance of showers and thunderstorms during the day. Highs in the lower 90s. East winds 5 mph in the morning
increasing to 5 to 10 mph in the afternoon. The chance of precipitation 50 percent. Average rainfall 1/10 to 1/4 inch.

TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. East winds 5 mph. The chance of precipitation 20 percent. Average rainfall less than 1/10 inch.

THURSDAY
Mostly sunny. Highs in the mid 90s. Southeast winds 5 mph in the morning
becoming south in the afternoon.

THURSDAY NIGHT
Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph in the evening
decreasing to 5 mph after midnight.

FRIDAY
Mostly sunny. Highs in the upper 90s. Southwest winds 5 to 10 mph.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 70s.

SATURDAY
Mostly sunny. Highs in the upper 90s.

SATURDAY NIGHT
Mostly clear. Lows in the mid 70s.

SUNDAY
Sunny. Highs in the upper 90s.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 70s.

MONDAY
Partly sunny. Highs in the upper 90s.

MONDAY NIGHT
Partly cloudy in the evening
becoming mostly cloudy. Lows in the mid 70s.

TUESDAY
Partly sunny. A slight chance of showers and thunderstorms. Highs in the mid 90s. The chance of precipitation 20 percent.

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 Arkansas
                             ARKANSAS                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 23-27 JUL 25-JUL 31    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Above       Normal      Above      Above                      
 Precipitation:     Normal        Above      Below      Below                      

....  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

Wednesday July 18, 2018 the 199th Day of Year

---------------------------------------------------
SUN
Declination 20.840000
Distance 0.999716 AU
Rise 07:09 EDT Set 21:21 EDT
Transit Meridian 14:15 EDT
Civil Twilight Begins 06:42 EDT Ends 21:48 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

//////////////////////////
JULY 18TH...HISTORIC WEATHER EVENTS
...1889...
A cloudburst in West Virginia along the small creeks in Wirt County,
Jackson County and Wood County claimed twenty lives. Rockport WV reported
nineteen inches of rain in two hours and ten minutes that Thursday evening.
Tygart Creek rose 22 feet in one hour, and villages were swept away on
Tygart, Slate, Tucker, and Sandy Creeks. (The Weather Channel)
...1942...
A record deluge occurred at Smethport in northern Pennsylvania, with 30.7
inches in just six hours. The downpours and resultant flooding in
Pennsylvania were devastating. (David Ludlum)
...1986...
One of the most "photo-genic" tornadoes touched down in the northern
suburbs of Minneapolis MN during the late afternoon. The very slow moving
tornado actually appeared live on the evening news by way of an aerial
video taken by the KARE-TV helicopter crew. The tornado, unlike most, was
quite the prima donna, staying visible to tens of thousands of persons for
thirty minutes. It was moderate in intensity, with winds of 113-157 mph,
and caused 650 thousand dollars damage. (Storm Data)
...1987...
Cool weather prevailed in the western U.S. Seven cities reported record low
temperatures for the date, including Alamosa CO with a reading of 38
degrees. The low of 52 degrees at Bakersfield CA was a record for July. Up
to eight inches of snow covered the Northern Sierra Nevada Range of
California from a storm the previous day. During that storm, winds gusting
to 52 mph at Slide Mountain NV produced a wind chill reading of 20 degrees
below zero. Susanville CA reached 17 degrees that previous day, Blue Canyon
CA dipped to a July record of 36 degrees, and the high of 44 degrees at
Klamath Falls OR smashed their previous record for July by ten degrees.
(The National Weather Summary)
...1988...
Sweltering heat continued in California, with record highs of 111 degrees
at Redding and 112 degrees at Sacramento. Death Valley CA hit 127 degrees.
Late afternoon and evening thunderstorms in the Central Plains Region
produced baseball size hail at Kimball NE, wind gusts to 79 mph at Colby
KS, and six inches of rain near Lexington NE. (The National Weather
Summary) (Storm Data)
...1989...
Thunderstorms produced severe weather in Oklahoma, northern Texas and
Arkansas during the afternoon, and into the night. Thunderstorms produced
baseball size hail at Stamford TX, and wind gusts to 92 mph near
Throckmorton TX. Record heat continued in the southwestern U.S. Phoenix AZ
reported a record high of 115 degrees, and a 111 degree reading at Midland
TX was second only to their all-time record high of 112 degrees established
sixteen days earlier. (The National Weather Summary)


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