Alert archive / Kansas / River Flood Warnings in 2026

River Flood Warning 46, NWS Topeka, KS

June 21, 2026Shawnee County, Kansas

NWS Topeka, KS issued this river flood warning at Jun 21, 2026, 7:02 AM CDT for Shawnee County, Kansas. It took effect at Jun 21, 2026, 10:41 AM CDT. It was in force for 4 min.

The area

The counties it named.

The facts

Issued
Jun 21, 2026, 7:02 AM CDT (12:02 UTC)
In effect from
Jun 21, 2026, 10:41 AM CDT
Expired
Jun 21, 2026, 10:45 AM CDT
In force
4 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
Minor

County Shawnee County, KS

The radar

The Topeka radar (KTWX), 41 km from the middle of the area, began a volume at 12:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Wakarusa River at Wakarusa (WRWK1). The gauge peaked at 13.83 ft at Jun 21, 2026, 8:00 AM CDT.

actionminormoderate102006/2106/22
Action stage
10 ft
Minor stage
15 ft
Moderate stage
22 ft
Major stage
24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06891200, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this river flood warning went out at Jun 21, 5:59 AM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jun 21, 5:59 AM CDT, 1 hour 3 minutes before
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Hazardous weather outlook, Jun 21, 3:38 AM CDT, 3 hours 24 minutes before
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Jun 21, 1:25 AM CDT, 5 hours 37 minutes before
Special Weather Statement
National Weather Service Topeka KS
125 AM CDT Sun Jun 21 2026

KSZ035-210715-
Dickinson-
125 AM CDT Sun Jun 21 2026

...STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN DICKINSON COUNTY
THROUGH 215 AM CDT...

At 124 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 4 miles west of Smolan to 9
miles east of Lindsborg to 3 miles north of Hesston. Movement was
east at 25 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects.

Locations impacted include...
Carlton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Topeka.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
central Kansas.

&&

LAT...LON 3880 9737 3861 9705 3861 9737
TIME...MOT...LOC 0624Z 273DEG 22KT 3872 9777 3853 9750 3818 9740

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Prieto
Special weather statement, Jun 21, 1:56 AM CDT, 5 hours 6 minutes before
Special Weather Statement
National Weather Service Topeka KS
156 AM CDT Sun Jun 21 2026

KSZ035-037-210730-
Dickinson-Morris-
156 AM CDT Sun Jun 21 2026

...STRONG THUNDERSTORMS WILL IMPACT SOUTHERN DICKINSON AND WESTERN
MORRIS COUNTIES THROUGH 230 AM CDT...

At 156 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles east of Carlton to 4 miles northwest of
Lincolnville to near Peabody. Movement was northeast at 45 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor damage to vegetation is
         possible.

Locations impacted include...
Herington, Hope, Woodbine, Wilsey, Carlton, Latimer, and Burdick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
central and east central Kansas.

&&

LAT...LON 3869 9737 3892 9696 3890 9693 3887 9693
      3887 9688 3871 9662 3852 9666 3852 9693
      3861 9693 3861 9723
TIME...MOT...LOC 0656Z 241DEG 39KT 3868 9723 3855 9700 3814 9709

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Gargan
Special weather statement, Jun 21, 2:29 AM CDT, 4 hours 33 minutes before
Special Weather Statement
National Weather Service Topeka KS
229 AM CDT Sun Jun 21 2026

KSZ038-054-055-210800-
Wabaunsee-Lyon-Osage-
229 AM CDT Sun Jun 21 2026

...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN WABAUNSEE...
NORTHWESTERN OSAGE AND NORTHERN LYON COUNTIES THROUGH 300 AM CDT...

At 228 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles south of Keene to 4 miles southwest of
Harveyville to 3 miles north of Americus. Movement was east at 50
mph.

HAZARD...Wind gusts of 40 mph to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects.

Locations impacted include...
Osage City, Carbondale, Burlingame, Americus, Scranton, Harveyville,
Reading, Allen, Admire, and Bushong.

This includes Kansas Turnpike between mile markers 135 and 164.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
east central Kansas. A Severe Thunderstorm Watch also remains in
effect until 600 AM CDT for east central Kansas.

&&

LAT...LON 3886 9560 3875 9558 3849 9590 3851 9635
      3873 9619 3886 9608
TIME...MOT...LOC 0728Z 265DEG 45KT 3890 9603 3874 9601 3855 9625

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Gargan

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 9:27 PM CDTSevere Thunderstorm WarningTOPRepublic33 min
Jun 20, 9:50 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington40 min
Jun 20, 9:55 PM CDTTornado WarningTOPRepublic20 min
Jun 20, 10:19 PM CDTAreal Flood AdvisoryTOPMarshall, Nemaha9 hr
Jun 20, 10:33 PM CDTSpecial Weather StatementTOPBrown27 min
Jun 20, 10:45 PM CDTSpecial Weather StatementTOPWashington30 min
Jun 20, 10:57 PM CDTSpecial Weather StatementTOPBrown33 min
Jun 20, 11:05 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPBrown25 min
Jun 20, 11:12 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha33 min
Jun 20, 11:37 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie, Riley38 min
Jun 20, 11:54 PM CDTAreal Flood AdvisoryTOPBrown7 hr
Jun 21, 12:28 AM CDTAreal Flood AdvisoryTOPClay, Cloud, Geary, Ottawa, Pottawatomie, Riley15 min
Jun 21, 12:34 AM CDTSpecial Weather StatementTOPGeary, Pottawatomie, Riley41 min
Jun 21, 12:43 AM CDTFlash Flood WarningTOPClay, Cloud, Geary, Ottawa, Pottawatomie, Riley4 hr
Jun 21, 1:01 AM CDTSpecial Weather StatementTOPBrown44 min
Jun 21, 1:25 AM CDTSpecial Weather StatementTOPDickinson50 min
Jun 21, 1:40 AM CDTFlash Flood WarningTOPGeary, Riley4 hr
Jun 21, 1:44 AM CDTRiver Flood WarningTOPOttawa14 hr
Jun 21, 1:56 AM CDTSpecial Weather StatementTOPMorris34 min
Jun 21, 2:20 AM CDTRiver Flood WarningTOPRiley6 hr
Jun 21, 2:29 AM CDTSpecial Weather StatementTOPOsage31 min
Jun 21, 2:32 AM CDTAreal Flood AdvisoryTOPJackson, Nemaha3 hr
Jun 21, 2:53 AM CDTAreal Flood AdvisoryTOPGeary, Lyon, Morris, Wabaunsee3 hr
Jun 21, 3:04 AM CDTFlash Flood WarningTOPJackson, Jefferson, Osage, Pottawatomie, Shawnee, Wabaunsee4 hr
Jun 21, 3:40 AM CDTAreal Flood AdvisoryTOPDouglas, Franklin, Jefferson, Lyon, Osage, Shawnee and 1 more5 hr
Jun 21, 4:41 AM CDTAreal Flood AdvisoryTOPClay, Geary, Pottawatomie, Riley4 hr

Nearby

River Flood Warnings in Kansas, 2026Every river flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.