A joint service of the UK Ag Weather Center and the National Weather Service.
WEATHER SUMMARY FOR ARKANSAS
NATIONAL WEATHER SERVICE LITTLE ROCK AR
859 PM CST Sat Dec 16 2017
Clouds increased throughout this Saturday as a storm system to the
southwest of the state began lifting northeast towards Arkansas.
Temperatures warmed into the mid 50s to low 60s for highs this
afternoon. Late this evening...temperatures had only dropped down
into the 40s to low 50s. Rainfall was spreading northeast across the
southwest half of the state. Expect the rainfall chances to remain
high overnight as this storm system continues to move northeast over
Arkansas. Lows will only drop down into the 40s for lows tonight.
Chances for rainfall will decrease from southwest to northeast
during the first part of the day on Sunday...with a dry forecast
expected Sunday afternoon. Highs will warm into the 50s to low
60s...under a mostly cloudy sky.
The forecast will remain dry into early next week...though a new
storm system will move through the region Tuesday and
Wednesday...bringing increased rain chances. Dry conditions will
again be seen for Thursday...but a new...stronger storm system will
return for late next week...with more rainfall back in the forecast.
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 JOHNSON County
SWR not available
Current Agricultural Weather Conditions in Arkansas
Based on observations at 500am CST, Sunday December 17, 2017
Across Arkansas...temperatures are near 41 degrees north, near 42 degrees central, and near 44 degrees south. Current sky conditions are light rain north, cloudy central, and light rain south. In the north, relative humidity is near 100%, and the dew point is near 41 degrees. In the central part of the state, relative humidity is near 100%, and the dew point is near 42 degrees. In the south, relative humidity is near 100%, and the dew point is near 44 degrees. There is patchy fog central. Winds are from the east at 5 mph north, where conditions are not favorable for spraying due to light rain. Winds are from the east at 7 mph central, where conditions are favorable for spraying. Winds are from the east at 6 mph south, where conditions are not favorable for spraying due to light rain. The livestock cold stress index is in the no stress category north, no stress category central, and no stress category south. Based on current available observations, the highest temperature is 45 degrees at Mena and Fort Smith. The lowest temperature is 41 degrees at West Memphis, Walnut Ridge, Mountain Home, and Harrison.
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.
All NWS Radars (In near-real time),
Current Livestock Heat Stress Index (LSI),
Current Wind Chill Map
Hazardous Weather Outlook For JOHNSON County,AR
500 AM CST Sun Dec 17 2017
DAY ONE Today and Tonight
Rain will exit northern and eastern Arkansas this morning, with
mostly dry conditions expected this afternoon and tonight.
DAYS TWO THROUGH SEVEN Monday Through Saturday
A new storm system will approach the region from the southwest
United States, and will interact with a stalled front along the Gulf
Coast. There will be a lot of moisture surrounding the front, with
good chances of rain Monday night through Wednesday. Areas of heavy
rain will be possible, especially over the southern half of the
Dry conditions will be noted on Thursday with Arkansas between
systems. However, a strong cold front will surge into the region
Friday from the Plains. This will bring more chances for widespread
rain and much colder air by the weekend. There may even be a period
of light snow in the north. Stay tuned to later forecasts as this is
an evolving situation.
Spotter Information Statement
Spotter activation will not be needed.
NWS Severe Weather Map , Convective Outlook
7-Day Forecast For JOHNSON County, Arkansas
518 AM CST Sun Dec 17 2017
Mostly cloudy. Patchy fog in the morning. Highs 48 to
53. Southeast winds 5 mph.
TONIGHT Mostly cloudy. Lows around 40. South winds 5 mph.
MONDAY Mostly sunny. Not as cool. Highs in the lower 60s.
South winds 5 mph.
MONDAY NIGHT Mostly cloudy. Lows in the upper 40s.
Temperatures nearly steady after midnight. South winds 5 to
10 mph in the evening
becoming southwest after midnight.
TUESDAY Mostly cloudy. A chance of showers and isolated
thunderstorms. Highs in the lower 60s. West winds 5 mph. The
chance of precipitation 30 percent.
TUESDAY NIGHT Showers and isolated thunderstorms. Lows in the
mid 40s. The chance of precipitation 80 percent.
WEDNESDAY Mostly cloudy in the morning
sunny. A slight chance of showers. Highs around 60. The chance of
precipitation 20 percent.
WEDNESDAY NIGHT Partly cloudy. Lows in the lower 40s.
THURSDAY Mostly sunny. Highs in the upper 50s.
THURSDAY NIGHT Mostly cloudy. A chance of showers. Lows in the
mid 30s. The chance of precipitation 40 percent.
FRIDAY Partly sunny. Colder. A slight chance of rain. Highs in
the mid 40s. The chance of precipitation 20 percent.
FRIDAY NIGHT Mostly cloudy in the evening
cloudy. A slight chance of rain. A slight chance of light snow
after midnight. Lows in the upper 20s. The chance of
precipitation 20 percent.
SATURDAY Partly sunny. A slight chance of light snow in the
morning. A slight chance of rain during the day. Highs in the
lower 40s. The chance of precipitation 20 percent.
12-48 Hr Surface Forecast Maps,
TWC 4-Panel Surface Forecast,
Day 1 Precip,
Day 2 Precip,
Days 1-5 Precip,
Severe Weather Pot.-Day 1,
Medium & Long Range Outlook For Arkansas
6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY
DEC 22-26 DEC 24-30 DEC DEC-FEB
----------- ----------- -------- ---------
Temperature: Below Below Above Above
Precipitation: Above 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 ,
Sunday December 17, 2017 the 351th Day of Year
Distance 0.999725 AU
Rise 08:11 EST Set 18:00 EST
Transit Meridian 13:05 EST
Civil Twilight Begins 07:43 EST Ends 18:27 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
HISTORIC WEATHER EVENTS
A three week blockade of snow began at Portland OR. A record December total
of 34 inches was received. (David Ludlum)
A severe icestorm struck central Illinois. It coated the ground with nearly
two inches of glaze at Springfield. The storm caused 21 million dollars
damage along with much hardship. Ice was on the trees until the 4th of
January, and electricity was not restored until January 10th. (David
An icestorm in western New York State resulted in much damage and hardship.
A Buffalo report stated, "one was kept awake by the breaking limbs, which
snapped off with a report much louder than a rifle shot." (17th-18th) (The
A storm in the southwestern U.S. brought heavy rain and heavy snow to parts
of California, Nevada, Arizona, Utah and New Mexico. Charleston NV was
blanketed with 12 inches of snow. Lake Havasu City AZ was drenched with
2.26 inches of rain. (Storm Data) (The National Weather Summary)
Squalls brought locally heavy snow to the southeastern shores of Lake
Michigan. Totals in Michigan ranged up to 14 inches at Harvey. Totals in
Ohio ranged up to 16 inches at Chardon. (The National Weather Summary)
Twenty-one cities from Kentucky to Pennsylvania reported record low
temperatures for the date, including Columbus OH with a reading of 12
degrees below zero. Heavy snow continued in the Colorado Rockies. Vail
received 65 inches of snow between the 14th and the 18th of December.
Steamboat Springs was buried under 74 inches, and reported a total of 108
inches of snow between the 10th and the 18th of the month. (The National
Weather Summary) (Storm Data)
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky