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Clark County, SD 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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A joint service of the UK Ag Weather Center and the National Weather Service.

Regional Weather Forecast
National Weather Service Bismarck ND
1100 PM CST Tue Dec 18 2018 /1000 PM MST Tue Dec 18 2018/

There is a chance of light rain tonight across western and north
central South Dakota, into south central and eastern North Dakota.
Very light freezing rain may be possible in south central and
eastern North Dakota. Low temperatures tonight will range from the
20s across the eastern Dakotas, to the 30s elsewhere across the

Wednesday will be windy across most of the Northern Plains. There
is a chance of rain and snow across northwest, central, and 
northeast North Dakota on Wednesday. Highs will be in the 30s
across northern North Dakota, to the 50s across most of South 

The remainder of the work week is expected to remain mild with
highs ranging from the 20s over northern Minnesota and northeast
North Dakota, to the 40s over eastern Montana and western Dakotas.

After dry conditions Thursday, there will be a chance of light
rain or snow spreading west to east across the region Friday.

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

CLARK County, South Dakota Agriculture, Lawn & Garden Weather Advisory

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Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Hourly Observations For CLARK County
1100 PM CST TUE DEC 18 2018

ABERDEEN       CLEAR     27  25  92 S5        29.69F WCI  22          
WATERTOWN      CLEAR     27  27 100 SE5       29.68F WCI  22          
BROOKINGS      CLOUDY    29  28  96 SE6       29.71F WCI  23          
SISSETON         N/A     27  25  92 S6        29.67F WCI  20          

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

Current Agricultural Weather Conditions in South Dakota

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For CLARK County,SD

348 PM CST Tue Dec 18 2018

 DAY ONE  This afternoon and tonight.

Light freezing rain is expected across portions of central SD after 
midnight. Roads may become slick.

 DAYS TWO THROUGH SEVEN  Wednesday through Monday.

Light freezing rain is expected across portions of central and
northeast SD early Wednesday morning. Roads may be slick during the
morning commute.


Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For CLARK County, SD
1127 PM CST Tue Dec 18 2018

Partly cloudy. Lows in the upper 20s. South winds 5 to 10 mph.

Mostly cloudy. A chance of light freezing rain, possibly mixed with rain in the morning. Highs in the mid 40s. West winds 5 to 15 mph. Chance of precipitation 30 percent.

Partly cloudy. Lows in the upper 20s. Northwest winds around 15 mph.

Partly sunny. Highs in the upper 30s. Northwest winds 10 to 15 mph.

Mostly clear. Lows in the lower 20s. West winds 5 to 10 mph shifting to the southeast after midnight.

Partly sunny. Highs around 40.

Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of light snow. Lows in the mid 20s.

Partly cloudy. Highs in the lower 30s. Lows 15 to 20.

Mostly cloudy with a 20 percent chance of light snow. Highs in the lower 30s.

Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of light snow. Lows around 20.

Mostly cloudy. Highs in the lower 30s.

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 South Dakota

                             S DAKOTA                                                                     
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 24-28 DEC 26-JAN 1    DEC   DEC18-FEB19                      
                 -----------  -----------  --------  ---------
   Temperature:      Above       Normal     Normal      Above                      
 Precipitation:      Above        Above      Above     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
Historical Weather And Climate Facts For Today

The Continental Army moved into encampment at Valley Forge amidst stormy
winds and piercing cold. A relatively moderate winter followed. (David
Temperatures rose to record warm readings of 67 at Louisville and 68 at 
Lexington. (NWS Louisville)
The Riverside Ranger Station in Yellowstone Park WY reported a low of 59
degrees below zero, a December record for the U.S. (David Ludlum) (The
Weather Channel)
A tornado, 200 yards in width, killed two persons along its 15-mile path
from near Waldo to near Bueana Vista in southwestern Arkansas. People from
one house were carried 250 yards, and cars were said to have been carried
600 yards. (The Weather Channel)
A record 83 inches of snow covered the ground at Flagstaff AZ. The heavy
snows inflicted great hardships on reservations. (David Ludlum)
Thunderstorms produced large hail and damaging winds in eastern Texas and
the Lower Mississippi Valley. Thunderstorms produced wind gusts to 90 mph
at Venus TX and Providence LA. Rain prevailed from the Southern Plains to
the Middle Mississippi Valley. Small stream flooding was reported around
Columbia MO. (The National Weather Summary) (Storm Data)
Low pressure and a trailing cold front in the central U.S. brought snow and
high winds to parts of the Rocky Mountain Region. Winds in Colorado gusted
to 67 mph at La Junta. Thunderstorms along the same cold front produced
wind gusts to 65 mph at Kansas City MO. (The National Weather Summary)
(Storm Data)
High winds and heavy snow plagued the northern and central Rockies.
Snowfall totals in Montana ranged up to 12 inches at Lincoln, and wind
gusts in Colorado reached 97 mph at Squaw Mountain. Twelve cities in the
north central U.S. reported record low temperatures for the date, including
Dickinson ND with a reading of 26 degrees below zero. Bismarck ND was the
cold spot in the nation with a morning low of 35 degrees below zero. (The
National Weather Summary) (Storm Data)
The World record high sea level pressure of 32.03" of Hg was set in Tosontsengel, 
Mongolia. (NWS)

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