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Clarke County, IA Weather and Climate Synopsis

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Weather Summary for Iowa
National Weather Service Des Moines IA
609 PM CST Thu Dec 14 2017

It has been a gloomy day across Iowa. Overcast skies persisted
throughout the day, and cloud cover looks to stick around overnight 
as well. High temperatures were only in the mid 20s to lower 30s. The 
wind was much calmer than yesterday, but some spots in south central 
Iowa still saw some gusty conditions. Tonight will be quiet, and 
temperatures will struggle to drop below the 20s as cloud cover 
persists. Snow is possible tonight into early tomorrow morning, but 
little accumulation is expected.

While overcast skies will remain for most of Iowa tomorrow,
temperatures will be a little higher with highs in the mid 30s to
lower 40s. Other than some snow early Friday morning, the rest of the
day will be calm. Lows Friday night will again only drop slightly into 
the lower 20s to lower 30s. Saturday temperatures will be much warmer
pushing into the lower 50s across southern and central Iowa and into
the lower to mid 40s in northern Iowa. Sunday morning brings a chance
for rain and snow, but little to no accumulation is expected. Warmer 
temperatures persist into next week with highs in the low to upper 40s
and lows only in the lower to upper 20s with no chances for rain or
snow until mid to late next week.

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

Precision Agriculture Weather Forecast For CLARKE County


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Regional Hourly Observations For CLARKE County
Issued at 400 AM CST FRI DEC 15 2017

   SOUTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     CLOUDY    28  25  86 SW6       30.07F WCI  22          
AUDUBON *      CLOUDY    28  25  86 W7        30.06F WCI  21          
CLARINDA *     CLOUDY    34  25  69 NW6       30.13S WCI  29          
COUNCIL BLFS * CLOUDY    32  27  80 W6        30.09F WCI  26          
CRESTON *      CLOUDY    28  23  80 NW6       30.08F WCI  22          
HARLAN  *      CLOUDY    30  27  86 SW8       30.10F WCI  23          
LAMONI         CLOUDY    32  23  69 N8        30.08R WCI  25          
RED OAK *      CLOUDY    32  25  74 W5        30.10F WCI  27          
SHENANDOAH *   CLOUDY    32  25  74 W5        30.13S WCI  27          

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


Current Agricultural Weather Conditions in Iowa
Based on observations at 400am CST, Friday December 15, 2017

Across Iowa...temperatures are near 33 degrees west, near 28 degrees central, and near 26 degrees east. Current sky conditions are cloudy west, cloudy central, and cloudy east. In the west, relative humidity is near 72%, and the dew point is near 25 degrees. In the central part of the state, relative humidity is near 81%, and the dew point is near 23 degrees. In the east, relative humidity is near 74%, and the dew point is near 19 degrees. Winds are from the west at 7 mph west, where conditions are favorable for spraying. The wind chill is near 27 degrees west. Winds are from the southwest at 6 mph central, where conditions are favorable for spraying. The wind chill is near 22 degrees central. Winds are from the west at 12 mph east, where conditions are favorable for spraying. The wind chill is near 16 degrees east. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 34 degrees at Clarinda. The lowest temperature is 22 degrees at Mason City and Cedar Rapids.


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 CLARKE County,IA

345 AM CST Fri Dec 15 2017

 DAY ONE  Today and tonight

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday

There is a chance for wintry precipitation may make travel 
potentially hazardous on Thursday.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For CLARKE County, IA
338 AM CST Fri Dec 15 2017

EARLY THIS MORNING
Cloudy. Scattered flurries, areas of drizzle and freezing drizzle. No ice accumulation. Northwest wind 5 to 15 mph.

TODAY
Partly sunny. High in the lower 40s. Southwest wind 5 to 15 mph. Gusts up to 25 mph in the afternoon.

TONIGHT
Partly cloudy. Low around 30. Southwest wind 10 to 15 mph.

SATURDAY
Sunny, warmer. High in the mid 50s. Southwest wind 5 to 10 mph.

SATURDAY NIGHT
Partly cloudy. Low in the lower 30s. South wind around 5 mph.

SUNDAY
Cloudy. A 50 percent chance of light rain and snow in the morning. Colder. High in the lower 40s. East wind around 5 mph shifting to the northwest in the afternoon.

SUNDAY NIGHT
Mostly cloudy. Low in the upper 20s.

MONDAY
Partly sunny. High in the upper 40s.

MONDAY NIGHT
Partly cloudy. Low in the lower 30s.

TUESDAY
Sunny. High in the upper 40s.

TUESDAY NIGHT
Partly cloudy. Low in the upper 20s.

WEDNESDAY
Mostly sunny. High in the lower 50s.

WEDNESDAY NIGHT
Mostly cloudy. Low in the mid 30s.

THURSDAY
Cloudy. A 30 percent chance of light rain possibly mixed with snow in the afternoon. High in the mid 40s.

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
                                 IOWA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 20-24    DEC 22-28    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal        Below     Normal      Below                      
 Precipitation:     Normal        Above     Normal      Above                      

....  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 December 15, 2017 the 349th Day of Year

---------------------------------------------------
SUN
Declination -23.310000
Distance 0.999725 AU
Rise 08:36 EST Set 17:43 EST
Transit Meridian 13:09 EST
Civil Twilight Begins 08:05 EST Ends 18:14 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

DECEMBER 15TH
HISTORIC WEATHER EVENTS
...1839...
The first of triple storms hit Massachusetts Bay. The storm produced whole
gales, and more than 20 inches of snow in interior New England. There was
great loss of life at Gloucester MA. (David Ludlum)
...1901...
An intense cold front swept across the eastern U.S. The cold front produced
heavy rain in Louisiana, and heavy snow in the northeastern U.S. (David
Ludlum)
...1945...
A record December snowstorm buried Buffalo NY under 36.6 inches of snow,
with unofficial totals south of the city ranging up to 70 inches. Travel
was brought to a halt by the storm. (14th-17th) (The Weather Channel)
...1987...
A major winter storm hit the Great Lakes Region, intensifying explosively
as it crossed northern Illinois. High winds and heavy snow created blizzard
conditions in southeastern Wisconsin. Winds gusted to 73 mph, and snowfall
totals ranged up to 17 inches at LaFarge. The barometric pressure at
Chicago IL dropped three quarters of an inch in six hours to 28.96 inches,
a record low reading for December. Up to a foot of snow blanketed northern
Illinois, and winds in the Chicago area gusted to 75 mph. O'Hare Airport in
Chicago was closed for several hours, for only the fourth time in twenty
years. High winds derailed train cars at Avon IN. Light winds and partly
sunny skies were reported near the center of the storm, a feature typical
of tropical storms. (The National Weather Summary) (Storm Data)
...1988...
High pressure in the Pacific Northwest and low pressure in the southwestern
U.S. combined to produced high winds from Utah to California. Winds gusting
to 70 mph in the San Francisco area left nearly 300,000 residents without
electricity. Winds in Utah gusted to 105 mph at Centerville. (The National
Weather Summary) (Storm Data)
...1989...
A couple of low pressure systems spread heavy snow across the northeastern
U.S. Up to two feet of snow was reported along Lake Erie in northeastern
Ohio, and up to ten inches was reported in Connecticut. Heavy snow squalls
developed over Michigan for the third day in a row. Three Oaks MI reported
25 inches of snow in two days. Twenty-six cities in the north central U.S.
reported record low temperatures for the date. The low of 10 degrees below
zero at Wichita KS was a December record for that location. (The National
Weather Summary) (Storm Data)

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