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Benton County, IA Weather and Climate Synopsis

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Weather Summary for Iowa
National Weather Service Des Moines IA
544 PM CST Thu Feb 21 2019

After a what seemed like a long stretch of winter weather, today
provided a nice reprieve with abundant sunshine and temperatures
mainly in the 20s and 30s. Quiet conditions continue into the
overnight hours with increasing cloud cover and lows in the single
digits and teens.

The next storm system to impact the area will approach the state over
the latter half of tomorrow. Light snow and freezing rain gradually
overspreads western Iowa before expanding east Friday evening. Any 
snowfall will give way to light freezing rain or drizzle Friday 
night. Temperatures warming to near or above freezing Saturday could 
push precipitation over to liquid rain, but falling temperatures will 
push any rain back over snow across western Iowa beginning Saturday 
afternoon, then spreading east during the evening as temperatures 
continue to fall. A narrow band of heavy snowfall is likely over parts
of western Iowa where snow fall accumulations could exceed 6 inches 
or more in some spots. More uncertainty remains with snowfall forecast
further east. Strong northwest winds develop later in the day 
Saturday as well, which could lead to significant blowing and drifting
of snow in some areas. The system departs the area early Sunday, but 
blowing snow and gusty winds may continue through the day.

Below normal temperatures likely continue into next week. Additional
snowfall chances may cross the area as the weather pattern remains
active, but any projected accumulations remain uncertainty at this
time range. 

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

Precision Agriculture Weather Forecast For BENTON County


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Regional Hourly Observations For BENTON County
Issued at 800 PM CST THU FEB 21 2019

   NORTHEAST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   FAIR      15  10  80 NW5       30.28S WCI   8          
CHARLES CITY * FAIR       9   7  92 SW6       30.29R WCI  -1          
CLINTON *      FAIR      20  15  81 NW7       30.31R WCI  11          
DECORAH *      FAIR      14  12  92 CALM      30.26S                  
DUBUQUE        FAIR      13   8  81 W3        30.27R                  
OELWEIN *      FAIR      10  10 100 CALM      30.29R                  
WATERLOO       FAIR       7   4  87 CALM      30.31R                  

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


Current Agricultural Weather Conditions in Iowa


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 BENTON County,IA

417 PM CST Thu Feb 21 2019

 DAY ONE  THIS AFTERNOON AND TONIGHT

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  FRIDAY THROUGH WEDNESDAY

An intense winter storm system will affect the region this
weekend. Light freezing drizzle and freezing rain is possible
Friday night mainly north of Interstate 80 with accumulations up 
to one tenth of an inch possible. Rising temperatures will change 
the freezing precipitation over to rain by morning. 

Saturday, widespread rain is expected with isolated thunderstorms
possible from late afternoon into the evening. Severe weather is
not expected, but wind gusts to 45 mph will be possible.  

Saturday night, the precipitation is expected to change to a
wintry mix and then snow by morning with light snow accumulations
possible over portions of eastern Iowa and far northwest 
Illinois.

Strong west to northwest winds will develop Saturday night and
continue through the day Sunday. Sustained winds may reach 25 to 
35 mph and gusts as high as 50 mph will be possible. This may 
cause some blowing and drifting snow over eastern Iowa.

Rainfall amounts of one half to nearly one inch over the weekend
may lead to considerable rises and possible flooding along area 
rivers. Breakup ice jams will also be possible. 

 SPOTTER INFORMATION STATEMENT  

Spotter activation will not be needed tonight.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For BENTON County, IA
642 PM CST Thu Feb 21 2019

TONIGHT
Partly cloudy in the evening then becoming mostly cloudy. Low around 7. Northeast wind 5 to 10 mph. Wind chill readings to 4 below.

FRIDAY
Partly sunny. High in the lower 30s. East wind 5 to 10 mph. Wind chill readings to 2 below in the morning.

FRIDAY NIGHT
Not as cold. Cloudy. A slight chance of freezing rain and sleet in the evening, then freezing rain possibly mixed with rain after midnight. No sleet accumulation. Ice accumulation of less than one quarter of an inch. Low in the upper 20s. Southeast wind 5 to 10 mph. Chance of precipitation 70 percent.

SATURDAY
Light rain possibly mixed with freezing rain in the morning, then rain and a slight chance of thunderstorms in the afternoon. High in the mid 30s. East wind 10 to 15 mph. Chance of precipitation 90 percent.

SATURDAY NIGHT
Windy. Rain possibly mixed with snow in the evening, then light snow after midnight. Areas of blowing snow after midnight. Light snow accumulations possible. Low in the lower 20s. Northeast wind 10 to 15 mph with gusts to around 35 mph increasing to northwest 25 to 35 mph with gusts to around 50 mph after midnight. Chance of precipitation near 100 percent.

SUNDAY
Very windy. Colder. Mostly sunny. Patchy blowing snow. High in the mid 20s.

SUNDAY NIGHT
Colder. Partly cloudy. Low around 3.

MONDAY
Colder. Mostly cloudy with a 30 percent chance of snow. High around 13.

MONDAY NIGHT
Mostly cloudy. Low around 4.

TUESDAY
Cloudy with a 30 percent chance of snow. High in the lower 20s.

TUESDAY NIGHT
Mostly cloudy. A 30 percent chance of snow in the evening. Low around 4.

WEDNESDAY THROUGH THURSDAY
Mostly cloudy. High around 20. Low around 4.

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 
                FEB 27-MAR 3  MAR 1-MAR 7    FEB       FEB-APR                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Below     Normal                      
 Precipitation:     Normal       Normal      Above      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

Thursday February 21, 2019 the 52th Day of Year

---------------------------------------------------
SUN
Declination -10.270000
Distance 0.999723 AU
Rise 08:01 EST Set 18:55 EST
Transit Meridian 13:27 EST
Civil Twilight Begins 07:33 EST Ends 19:22 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

FEBRUARY 21ST
HISTORIC WEATHER EVENTS
...1918...
A spectacular chinook wind at Granville ND caused the temperature to spurt
from a morning low of 33 degrees below zero to an afternoon high of 50
degrees above zero. (David Ludlum)
...1935...
Frequent duststorms occurred in eastern Colorado during the month, forcing
schools to close and people to stay indoors. A fatality occurred on this
date when two section cars collided on the railroad near Arriba CO, due to
poor visibility. (The Weather Channel)
...1936...
The temperature at Langdon ND climbed above zero for the first time in six
weeks. Readings never got above freezing during all three winter months.
(David Ludlum)
...1971...
An outbreak of tornadoes hit northeastern Louisiana and northern and
central Mississippi. The tornadoes claimed 121 lives, including 110 in
Mississippi. Three tornadoes accounted for 118 of the deaths. There are
1600 persons injured, 900 homes were destroyed or badly damaged, and total
damage was 19 million dollars. (David Ludlum)

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