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Des Moines County, IA Weather and Climate Synopsis

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A joint service of the UK Ag Weather Center and the National Weather Service.

Weather Summary for Iowa
National Weather Service Des Moines IA
612 PM CDT Thu Jul 19 2018

The western half of the state saw quiet, windy conditions, while the
eastern half saw bouts of rain and a few tornadoes. Areas including
Marshalltown, Bondurant, and Pella saw tornadoes and corresponding
damage. Details coming out of those areas are still coming in, meaning
the best sources of information will be local media, state media, and
subsequent reports coming from the National Weather Service. 

Severe weather and tornadoes aside, temperatures ranged from cool low
70s across the northeast to the upper 80s and low 90s across the
south and southwest. Winds were generally breezy through the day as
well, out of the west behind the front and out of the south ahead of
the front. 

With much of the activity in far eastern Iowa now, the state will see
a period of quiet weather tomorrow, through the weekend, and into next
week. In general, temperatures will be near to below normal with highs
in the upper 70s to mid 80s. The opportunity for showers and storms
will be few and far between, save for an a spotty thunderstorm
opportunity Monday.

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

Precision Agriculture Weather Forecast For DES MOINES County

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Regional Hourly Observations For DES MOINES County
Issued at 300 AM CDT FRI JUL 20 2018

BURLINGTON     CLEAR     69  67  93 SW9       29.72F                  
FAIRFIELD *    CLEAR     68  64  88 W7        29.72S                  
FORT MADISON * CLEAR     68  66  94 SW9       29.74F                  
KEOKUK *       CLEAR     68  66  94 SW13      29.74F                  
OSKALOOSA *    FAIR      67  62  83 W9        29.72S                  
CENTERVILLE *    N/A     72  61  68 W7        29.78S                  
OTTUMWA        CLEAR     71  61  70 W12       29.72S                  
WASHINGTON *   CLEAR     70  66  88 W8        29.72R                  

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

Current Agricultural Weather Conditions in Iowa
Based on observations at 300am CDT, Friday July 20, 2018

Across Iowa...temperatures are near 64 degrees west, near 70 degrees central, and near 71 degrees east. Current sky conditions are clear west, partly cloudy central, and mostly cloudy east. In the west, relative humidity is near 83%, and the dew point is near 59 degrees. In the central part of the state, relative humidity is near 70%, and the dew point is near 60 degrees. In the east, relative humidity is near 84%, and the dew point is near 66 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. Winds are from the northwest at 10 mph west, where conditions are favorable for spraying. Winds are from the west at 15 mph with gusts at 25 mph central, where conditions are not favorable for spraying due to strong winds. Winds are from the southwest at 9 mph east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 72 degrees at Quad Cities, Pella, and Iowa City. The lowest temperature is 64 degrees at Storm Lake, Sioux City, Harlan, and Clarinda.

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 DES MOINES County,IA

1035 PM CDT Thu Jul 19 2018


Isolated storms are possible along the highway 20 corridor. Any
storms will not be severe.


Thunderstorms are expected again Friday. Severe weather is not


Spotter activation is not expected tonight.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For DES MOINES County, IA
327 AM CDT Fri Jul 20 2018

Mostly cloudy. Southwest wind 10 to 15 mph.

Breezy. Partly sunny. Isolated showers and thunderstorms in the afternoon. High in the lower 80s. West wind 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon. Gusts up to 30 mph. Chance of rain 20 percent.

Partly cloudy. Low in the mid 60s. Northwest wind 10 to 15 mph. Gusts up to 25 mph in the evening.

Partly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. High in the lower 80s. Northwest wind 10 to 20 mph with gusts to around 25 mph.

Partly cloudy. Low in the mid 60s. Northwest wind 10 to 15 mph.

Mostly sunny. High in the lower 80s. North wind 10 to 15 mph.

Partly cloudy. Low in the mid 60s.

Mostly clear. High in the mid 80s. Low in the mid 60s.

Partly cloudy. Low in the mid 60s. High in the lower 80s.

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
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 25-29 JUL 27-AUG 2    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

Friday July 20, 2018 the 201th Day of Year

Declination 20.470000
Distance 0.999716 AU
Rise 06:56 EDT Set 21:44 EDT
Transit Meridian 14:20 EDT
Civil Twilight Begins 06:25 EDT Ends 22:15 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

The temperature at Washington D.C. soared to an all-time record of 106
degrees. The next day Millsboro reached 110 degrees to set a record for the
state of Delaware. July 1930 was one of the hottest and driest summers in
the U.S., particularly in the Missouri Valley where severe drought
conditions developed. Toward the end of the month state records were set
for Kentucky with 114 degrees, and Mississippi with 115 degrees. (David
The temperature at Keokuk IA soared to 118 degrees to establish a state
record. (The Weather Channel)
Twenty-two inches of hail reportedly fell northeast of Dickinson ND. (The
Weather Channel)
The temperature at Charleston SC hit 104 degrees for the second day in a
row to tie their all-time record high. (The Weather Channel)
Thunderstorms produced severe weather across Minnesota, Wisconsin and
Michigan. Thunderstorms produced wind gusts to 87 mph at Mosinee WI, and
strong thunderstorm winds capsized twenty-six boats on Grand Traverse Bay
drowning two women. Thunderstorms produced nine inches of rain at Shakopee
MN, with 7.83 inches reported in six hours at Chaska MN. Thunderstorms in
north central Nebraska produced hail as large as golf balls in southwestern
Cherry County, which accumulated to a depth of 12 inches. (The National
Weather Summary) (Storm Data)
The temperature at Redding CA soared to an all-time record high of 118
degrees. Showers and thunderstorms produced much needed rains from New
England to southern Texas. Salem IN was deluged with 7.2 inches of rain
resulting in flash flooding. (The National Weather Summary)
Showers and thunderstorms in the Middle Atlantic Coast Region soaked
Wilmington DE with 2.28 inches of rain, pushing their total for the period
May through July past the previous record of 22.43 inches. Heavy rain over
that three month period virtually wiped out a 16.82 inch deficit which had
been building since drought conditions began in 1985. Thunderstorms in
central Indiana deluged Lebanon with 6.50 inches of rain in twelve hours,
and thunderstorms over Florida produced wind gusts to 84 mph at Flagler
Beach. (The National Weather Summary) (Storm Data)

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