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Obrien County, IA Weather and Climate Synopsis

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WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
503 PM CDT Sun Jul 15 2018

A weak area of high pressure remained over Iowa today. The result was
light winds, seasonal temperatures and humid conditions. A few 
thunderstorms did develop over the east and the far west portions of
the state, otherwise sky conditions were mainly partly cloudy. 
Temperatures at 5 pm were in the low to mid 80s and the wind was light
and at 8 mph or less. 

A weak boundary will pass through the region overnight and will be
followed by a more broad region of high pressure for Monday and
Tuesday. High temperatures in the low to mid 80s and less humid 
conditions can be expected both days. Thunderstorm chances will begin
to increase across the Western Plains Tuesday night then will spread
eastward into the Siouxland and mid Missouri valley regions on
Wednesday. Addition thunderstorm chances are possible across much of
the Midwest for Thursday.

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

Precision Agriculture Weather Forecast For OBRIEN County


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Regional Hourly Observations For OBRIEN County
Issued at 1100 PM CDT SUN JUL 15 2018

NORTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       CLOUDY    73  70  91 N5        30.04S                  
DENISON        PTCLDY    73  72  94 CALM      30.04R                  
ESTHERVILLE    CLOUDY    69  64  84 NW8       30.04S                  
ORANGE CITY    CLOUDY    72  66  83 N7        30.07R                  
SHELDON        CLOUDY    70  66  88 N9        30.05R                  
SIOUX CITY     CLOUDY    73  69  87 NW7       30.05R                  
SPENCER        NOT AVBL                                               
STORM LAKE     CLOUDY    72  70  94 N6        30.05R                  

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


Current Agricultural Weather Conditions in Iowa
Based on observations at 1100pm CDT, Sunday July 15, 2018

Across Iowa...temperatures are near 73 degrees west, near 80 degrees central, and near 71 degrees east. Current sky conditions are cloudy west, cloudy central, and fair east. In the west, relative humidity is near 87%, and the dew point is near 69 degrees. In the central part of the state, relative humidity is near 74%, and the dew point is near 71 degrees. The heat index is near 84 degrees central. In the east, relative humidity is near 93%, and the dew point is near 69 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. Winds are from the northwest at 7 mph west, where conditions are favorable for spraying. Winds are from the northwest at 5 mph central, where conditions are favorable for spraying. Winds are calm east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 80 degrees at Des Moines. The lowest temperature is 69 degrees at Estherville.


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 OBRIEN County,IA

353 PM CDT Sun Jul 15 2018

 DAY ONE  This Afternoon and Tonight

Patchy fog has developed overnight. Fog is forecast to dissipate 
within a couple hours after sunrise as the sun increases mixing.

 DAYS TWO THROUGH SEVEN  Monday through Saturday

Areas of heavy rain are possible on Wednesday as storms will be
slow moving across the region. 

 SPOTTER INFORMATION STATEMENT  

Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For OBRIEN County, IA
1027 PM CDT Sun Jul 15 2018

REST OF TONIGHT
Mostly cloudy in the late evening then becoming partly cloudy. Lows around 60. North winds 5 to 10 mph.

MONDAY
Sunny. Highs around 81. Northwest winds 5 to 10 mph.

MONDAY NIGHT
Mostly clear. Lows around 60. Southwest winds around 5 mph becoming east after midnight.

TUESDAY
Partly cloudy. Highs around 80. East winds 5 to 10 mph.

TUESDAY NIGHT
Partly cloudy. Lows around 62. Southeast winds 5 to 10 mph.

WEDNESDAY
Mostly cloudy. Slight chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Some thunderstorms may produce heavy rainfall. Highs around 78. Chance of rain 60 percent.

WEDNESDAY NIGHT
Thunderstorms. Lows around 65. Chance of rain 80 percent.

THURSDAY
Partly sunny with a 40 percent chance of thunderstorms. Highs around 78.

THURSDAY NIGHT
Partly cloudy with a 30 percent chance of thunderstorms. Lows around 64.

FRIDAY
Partly cloudy. Highs around 79.

FRIDAY NIGHT
Partly cloudy. Lows around 63.

SATURDAY
Sunny. Highs around 81.

SATURDAY NIGHT
Mostly clear. Lows around 64.

SUNDAY
Sunny. Highs around 82.

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 
                   JUL 21-25    JUL 23-29    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Above     Normal                      
 Precipitation:      Below       Normal     Normal     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
Almanac Information

Monday July 16, 2018 the 197th Day of Year

---------------------------------------------------
SUN
Declination 21.190000
Distance 0.999716 AU
Rise 06:53 EDT Set 21:47 EDT
Transit Meridian 14:20 EDT
Civil Twilight Begins 06:21 EDT Ends 22:19 EDT

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

////////////////////////
JULY 16TH...HISTORIC WEATHER EVENTS
...1920...
A severe hailstorm over parts of Antelope and Boone counties in Nebraska
stripped trees of bark and foliage, ruined roofs, and broke nearly every
window facing north. (The Weather Channel)
...1946...
The temperature at Medford OR soared to an all-time high of 115 degrees to
begin a two week heat wave. During that Oregon heat wave the mercury hit
100 degrees at Sexton Summit for the only time in forty years of records.
(David Ludlum) (The Weather Channel)
...1975...
An early afternoon thunderstorm raked the east side of Tucson AZ with gale
force winds, heavy rain, and numerous lightning strikes. A thirteen year
old boy was swept through a forty foot long culvert by raging waters before
being rescued. (The Weather Channel)
...1979...
An intense thunderstorm dropped as much as 7 inches of rain in a three hour 
period over portions of southeastern pike county. two residents lost their lives 
as the car they were in was washed off the road. a young boy also died while 
being evacuated from his home. forty businesses and 2560 homes were 
affected...amounting to 7 million dollars in damage. (NWS JKL)
...1987...
Showers and thundestorms in the southwestern U.S. ended a record string of
thirty-nine consecutive days of 100 degree heat at Tucson AZ. A
thunderstorm at Bullhead City AZ produced wind gusts to 70 mph reducing the
visibility to near zero in blowing dust. Southerly winds gusting to 40 mph
pushed temperature readings above 100 degrees in the Northern Plains. Rapid
City SD reported a record high of 106 degrees, following a record low of 39
degrees just three days earlier. (The National Weather Summary) (Storm
Data)
...1988...
Thirty-seven cities in the eastern U.S. reported record high temperatures
for the date. Highs of 96 degrees at Bluefield WV and 104 degrees at
Charleston WV were all-time records, and afternoon highs of 98 degrees at
Binghamton NY, 99 degrees at Elkins WV, and 103 degrees at Pittsburgh PA,
tied all-time records. Highs of 104 degrees at Baltimore MD and 105
degrees at Parkersburg WV were records for July, and Beckley WV equalled
their record for July with a high of 94 degrees. Martinsburg WV was the hot
spot in the nation with a reading of 107 degrees. Afternoon and evening
thunderstorms raked the northeastern U.S. with large hail and damaging
winds. (The National Weather Summary)
...1989...
Showers and thunderstorms developing along a stationary front drenched the
Middle Atlantic Coast States with heavy rain, causing flooding in some
areas. More than five inches of rain was reported near Madison VA and
Ferncliff VA. Hot weather prevailed in Texas. San Angelo reported a record
high of 106 degrees. (The National Weather Summary)


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