Lyon County, Iowa
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Watch/Warnings
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Lyon County, Iowa
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Flood Warning
IAC119-MNC133-221314-
/O.CON.KFSD.FL.W.0097.180621T1230Z-180623T1115Z/
/LUVM5.1.ER.180621T1230Z.180622T0000Z.180622T1115Z.NO/
414 AM CDT Thu Jun 21 2018

The Flood Warning continues for
The Rock River At Luverne.
* from this morning to Saturday morning.
* At 02AM Thursday the stage was 7.27 feet.
* Minor flooding is forecast.
* Flood stage is 10.00 feet.
* At stages near 12.0 feet...The Luverne city park will be under 5 to
6 feet of water.

&&

LAT...LON 4371 9622 4370 9611 4360 9616 4350 9614
4350 9625 4363 9625

$$

Flood Warning
IAC119-221314-
/O.CON.KFSD.FL.W.0098.000000T0000Z-180624T1621Z/
/RAPI4.2.ER.180621T0543Z.180621T1800Z.180623T1621Z.NO/
414 AM CDT Thu Jun 21 2018

The Flood Warning continues for
The Rock River At Rock Rapids.
* until Sunday morning.
* At 03AM Thursday the stage was 15.31 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Flood stage is 13.00 feet.
* Recent activity...The river rose above flood stage on Thursday June
21.
* Forecast...The river will rise to 18.9 feet by Thursday June 21.
* At stages near 19.0 feet...The highest banks on the right side of
the river will be overtopped.

&&

LAT...LON 4350 9625 4350 9614 4338 9611 4331 9618
4334 9625 4341 9619

$$

Flood Warning
IAC119-167-SDC083-221314-
/O.CON.KFSD.FL.W.0108.000000T0000Z-000000T0000Z/
/CBSS2.1.ER.180621T0725Z.180621T0900Z.000000T0000Z.NO/
414 AM CDT Thu Jun 21 2018

The Flood Warning continues for
The Big Sioux River near Canton.
* until further notice.
* At 04AM Thursday the stage was 1236.33 feet.
* Flood stage is 1235.00 feet.
* Recent activity...The river rose above flood stage on Thursday June
21.
* At stages near 1235 feet...Flooding begins to affect crop and
pasture land.

&&

LAT...LON 4339 9658 4338 9646 4327 9648 4327 9652
4325 9652 4323 9643 4313 9640 4308 9641
4308 9654 4313 9650 4320 9652 4321 9661
4332 9660 4331 9656

$$

Flood Warning
IAC119-SDC099-221314-
/O.CON.KFSD.FL.W.0107.000000T0000Z-000000T0000Z/
/BBSS2.1.ER.180621T0758Z.180621T0900Z.000000T0000Z.UU/
414 AM CDT Thu Jun 21 2018

The Flood Warning continues for
The Big Sioux River at Brandon.
* until further notice.
* At 04AM Thursday the stage was 1204.37 feet.
* Flood stage is 1204.00 feet.
* Recent activity...The river rose above flood stage on Thursday June
21.
* At stages near 1204 feet...Significant flooding of crop and pasture
land begins. Access to the north end of the Big Sioux Recreation Area
on the west side of Brandon is limited.

&&

LAT...LON 4359 9665 4362 9664 4360 9657 4345 9656
4338 9646 4339 9658 4343 9662 4358 9662

$$

Flood Warning
IAC119-167-221314-
/O.CON.KFSD.FL.W.0099.180621T1500Z-180625T0228Z/
/RKVI4.3.ER.180621T1500Z.180622T1200Z.180624T0228Z.NO/
414 AM CDT Thu Jun 21 2018

The Flood Warning continues for
The Rock River At Rock Valley.
* from this morning to Sunday evening.
* At 04AM Thursday the stage was 13.68 feet.
* Major flooding is forecast.
* Flood stage is 16.00 feet.
* At stages near 20.0 feet...Major agricultural flooding begins
throughout the flood plain.

&&

LAT...LON 4334 9625 4331 9618 4312 9636 4303 9647
4314 9644 4325 9639

$$

Flood Warning
IAC041-059-119-141-143-167-MNC063-105-133-220315-
/O.CON.KFSD.FA.W.0006.000000T0000Z-180622T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lyon IA-Osceola IA-Dickinson IA-Sioux IA-Clay IA-O'Brien IA-Rock MN-
Jackson MN-Nobles MN-
419 AM CDT THU JUN 21 2018

...A FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT THURSDAY FOR
EASTERN LYON...OSCEOLA...DICKINSON...NORTHEASTERN SIOUX...CLAY...
O'BRIEN...EASTERN ROCK...JACKSON AND NOBLES COUNTIES...

At 416 AM CDT, Doppler radar and automated rain gauges indicated
upwards of 3 to 4 inches of rain has fallen across the warning area
since Wednesday afternoon. Additionally, local emergency management
and highway departments of transportation were reporting water over
some roads in the warning area.

Some locations that will experience flooding include...
Worthington, Spencer In Clay County, Sheldon, Spirit Lake, Jackson In
Jackson County, Sibley, Milford, Lakefield, Hartley, Sanborn, Adrian,
Arnolds Park, Lake Park, George, Bergen, Primghar, Okoboji, Heron
Lake, Sutherland and Orleans.

Additional rainfall amounts up to one half inch are possible in the
warned area before rain ends Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 4350 9491 4292 9492 4291 9533 4310 9581
4338 9604 4383 9607 4384 9486 4350 9486

$$

Flood Warning
IAC119-MNC133-SDC083-087-099-125-220245-
/O.CON.KFSD.FA.W.0005.000000T0000Z-180622T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lyon IA-Rock MN-Minnehaha SD-Lincoln SD-McCook SD-Turner SD-
422 AM CDT THU JUN 21 2018

...A FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS REMAINS IN
EFFECT UNTIL 945 PM CDT THURSDAY FOR WESTERN LYON...ROCK...
MINNEHAHA...LINCOLN...SOUTHEASTERN MCCOOK AND TURNER COUNTIES...

At 420 AM CDT, Doppler radar and automated rain gauges indicated
rainfall totals between 3 and 5 inches across the warning area since
the start of rain Wednesday morning. This excessive rain is causing
flooding of area streams, creeks, and drainage areas. In some
areas, road closures will be possible due to the runoff from heavy
rainfall.

Some locations that will experience flooding include...
Sioux Falls, Luverne, Canton, Rock Rapids, Parker, Lake Vermillion
State Recreation Area, Brandon, Harrisburg, Tea, Hartford, Lennox,
Crooks, Garretson, Wall Lake, Baltic, Worthing, Larchwood, Inwood,
Marion and Viborg.

Additional rainfall amounts up to one half inch will be possible in
the warned area before the rain ends Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 4312 9716 4317 9716 4317 9727 4323 9740
4355 9740 4379 9718 4383 9607 4335 9606
4326 9648 4326 9655 4324 9657 4311 9713

$$

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