Polk City, IA

5:38 PM CDT on August 21, 2017 (GMT -0500)
Merwood Knolls | | Change Station
Active Advisory: Special Statement

Elev 948 ft 41.72 °N, 93.72 °W | Updated 23 seconds ago

Overcast
Overcast
80.1 °F
Feels Like 87 °F
N
2.2
Wind Variable Wind from West
Gusts 2.5 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.95 in
Visibility 10.0 miles
Clouds Mostly Cloudy 9500 ft
Mostly Cloudy 11000 ft
Heat Index 87 °F
Dew Point 80 °F
Humidity 99%
Rainfall 1.80 in
Snow Depth Not available.
6:29 AM 8:05 PM
New Moon, 0% visible
METAR KIKV 212235Z AUTO VRB06G11KT 10SM BKN095 BKN110 28/22 A2995 RMK AO2
Pressure 29.95 in
Visibility 10.0 miles
Clouds Mostly Cloudy 9500 ft
Mostly Cloudy 11000 ft
Heat Index 87 °F
Dew Point 80 °F
Humidity 99%
Rainfall 1.80 in
Snow Depth Not available.
6:29 AM 8:05 PM
New Moon, 0% visible
METAR KIKV 212235Z AUTO VRB06G11KT 10SM BKN095 BKN110 28/22 A2995 RMK AO2

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10-Day Weather Forecast

Almanac

Astronomy

Aug. 21, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

State Highs State Lows

Community

WunderPhotos

Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Special Statement
Issued: 5:03 PM CDT Aug. 21, 2017 – National Weather Service

... Thunderstorms with gusty winds moving into central Iowa...

At 457 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 11 miles north of Eagle Grove to 9 miles east
of Jefferson to near Avoca. Movement was southeast at 35 mph.

Winds in excess of 40 mph will be possible with these storms. Wind
gusts may occur ahead of the thunderstorms arrival.

In addition, heavy rainfall is possible mainly north of Highway 30.
Brief flooding of urban streets and low lying areas are possible as
this rain moves through fairly quickly this evening.

Locations impacted include...
Ames, Ankeny, Urbandale, Fort Dodge, Johnston, Clive, Waukee, Boone,
Grimes, Webster City, Perry, Atlantic, Jefferson, Adel, Clarion,
Audubon, Guthrie Center, Dakota City, Humboldt and Eagle Grove.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.


Lat... Lon 4150 9515 4151 9504 4160 9504 4160 9509
      4171 9509 4206 9443 4290 9429 4285 9350
      4171 9359 4150 9410 4150 9424 4144 9424
      4116 9495 4127 9516
time... Mot... loc 2157z 297deg 33kt 4283 9395 4197 9420 4148 9538


Ansorge


503 PM CDT Mon Aug 21 2017

... Thunderstorms with gusty winds moving into central Iowa...

At 457 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 11 miles north of Eagle Grove to 9 miles east
of Jefferson to near Avoca. Movement was southeast at 35 mph.

Winds in excess of 40 mph will be possible with these storms. Wind
gusts may occur ahead of the thunderstorms arrival.

In addition, heavy rainfall is possible mainly north of Highway 30.
Brief flooding of urban streets and low lying areas are possible as
this rain moves through fairly quickly this evening.

Locations impacted include...
Ames, Ankeny, Urbandale, Fort Dodge, Johnston, Clive, Waukee, Boone,
Grimes, Webster City, Perry, Atlantic, Jefferson, Adel, Clarion,
Audubon, Guthrie Center, Dakota City, Humboldt and Eagle Grove.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.


Lat... Lon 4150 9515 4151 9504 4160 9504 4160 9509
      4171 9509 4206 9443 4290 9429 4285 9350
      4171 9359 4150 9410 4150 9424 4144 9424
      4116 9495 4127 9516
time... Mot... loc 2157z 297deg 33kt 4283 9395 4197 9420 4148 9538


Ansorge