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Polk County, AR Weather and Climate Synopsis

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36 Hr. Forecast Map
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Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

US Weekly Rainfall Departure

US Weekly Temperature Departure
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A joint service of the UK Ag Weather Center and the National Weather Service.

1125 AM CST Mon Dec 18 2017

Overcast conditions, fog and drizzle were seen across the state 
during the overnight hours. This led to temperatures remaining 
fairly mild with low temperatures ranging from the lower to upper 

Today, clouds will slowly break up across the state with some 
clearing already being seen across the northern half of the state. 
Temperatures that remain covered by clouds will be slow to warm with 
afternoon high temperatures ranging from the mid 50's to lower 60's.

Tonight...rain chances will increase across the state as a storm 
system approaches from the southwest. The best rain chances will be 
during the day on Tuesday where one to two inches will be possible 
across the southern half of the state...with some isolated locations 
in southern Arkansas possibly seeing amounts greater than three to 
four inches.

Rain chances will taper off early Wednesday with dry weather seen 
through Thursday. Rain chances will once again return to the 
forecast Thursday night and much of the day on Friday before 
tapering off early Saturday morning. As the precipitation comes to 
an end some light snow may be possible across northern Arkansas.

Beyond Saturday unsettled weather looks to remain in the forecast. 
Temperatures throughout the weak will be fairly mild through much of 
the work week with noticeably colder temperatures returning for the 

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

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Regional Hourly Observations For POLK County
1200 PM CST MON DEC 18 2017

MENA           MOSUNNY   54  52  94 SW3       30.20F                  
MOUNT IDA      CLOUDY    52  46  80 CALM      30.18F                  
6HR MIN TEMP:  47; 6HR MAX TEMP:  52;                                

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

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

Across Arkansas...temperatures are near 51 degrees north, near 52 degrees central, and near 47 degrees south. Current sky conditions are sunny north, cloudy central, and cloudy south. In the north, relative humidity is near 68%, and the dew point is near 41 degrees. In the central part of the state, relative humidity is near 80%, and the dew point is near 46 degrees. In the south, relative humidity is near 100%, and the dew point is near 47 degrees. Winds are variable at 6 mph north, where conditions are favorable for spraying. Winds are from the southwest at 5 mph central, where conditions are favorable for spraying. Winds are calm south, where conditions are favorable for spraying. 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 55 degrees at Batesville. The lowest temperature is 45 degrees at Highfill and Bentonville.

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 POLK County,AR

500 AM CST Mon Dec 18 2017

 DAY ONE  Today and Tonight

Patchy fog will be noted this morning, with dry weather today. 
Heading into tonight, isolated to scattered showers should develop 
over southern Arkansas.

 DAYS TWO THROUGH SEVEN  Tuesday Through Sunday

A storm system over the southwest United States will interact with a 
stalled front along the Gulf Coast to bring good chances of rain 
Tuesday and Tuesday night. Isolated thunderstorms are expected as 

Through dawn Wednesday, two to three inches of precipitation is in 
the forecast from Little Rock southward. Locally heavier totals are 
possible. Farther north, there could be a quarter inch of rain 
toward the Missouri border, with half inch to inch and a half 
amounts farther south toward Interstate 40.

The system will pass through on Wednesday, with rain ending. Dry 
and mild conditions will hold through Thursday before a cold front
surges through the region from the northwest on Friday. The front 
will bring another round of showers, followed by colder air and 
below average temperatures.

The front is expected to stall just to the southeast of Arkansas 
this weekend. A lot of moisture will surround the front, with 
chances of rain continuing over the southeast half of the state.
Moisture will be lacking away from the front farther northwest, but 
it may be cold enough for a few snow flurries.

Subfreezing air may get into central sections of the state Sunday 
night. This may lead to pockets of freezing rain.

 Spotter Information Statement  

Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For POLK County, Arkansas
1218 PM CST Mon Dec 18 2017

Mostly sunny. Highs 57 to 62. South winds 5 mph.

Mostly cloudy. A slight chance of showers. Lows in the upper 40s. Temperatures steady or slowly rising. South winds 5 to 10 mph in the evening
decreasing to 5 mph after midnight. The chance of precipitation 20 percent. Average rainfall less than 1/10 inch.

A chance of showers in the morning. Isolated thunderstorms during the day. Showers likely in the afternoon. Highs in the mid 60s. South winds 5 mph in the morning
shifting to the east in the afternoon. The chance of precipitation 70 percent. Average rainfall 1/4 to 1/2 inch.

Showers and isolated thunderstorms. Lows in the upper 40s. North winds 5 to 10 mph. The chance of precipitation 90 percent.

Partly sunny. A slight chance of showers. Highs in the mid 60s. North winds 5 mph in the morning
shifting to the southwest in the afternoon. The chance of precipitation 20 percent.

Partly cloudy. Lows in the upper 40s.

Mostly sunny. Highs in the mid 60s.

Mostly cloudy. A chance of showers. Lows in the upper 40s. The chance of precipitation 40 percent.

Mostly cloudy. A chance of showers. Highs in the upper 50s. The chance of precipitation 50 percent.

Mostly cloudy. Colder. A chance of rain. Lows in the lower 30s. The chance of precipitation 40 percent.

Mostly sunny. Cooler. Highs in the upper 40s.

Partly cloudy in the evening
becoming mostly cloudy. A slight chance of rain. Lows in the lower 30s. The chance of precipitation 20 percent.

Mostly cloudy. A slight chance of rain. Highs in the mid 40s. 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
                 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      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 , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information

Monday December 18, 2017 the 352th Day of Year

Declination -23.410000
Distance 0.999725 AU
Rise 08:11 EST Set 18:01 EST
Transit Meridian 13:05 EST
Civil Twilight Begins 07:44 EST Ends 18:28 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

A tornado swept across Jackson County, Williamson County and Franklin
County in southern Illinois killing eleven persons. (David Ludlum)
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
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)
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)
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)
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)
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)
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