Alert archive / Kansas / River Flood Warnings in 2026

River Flood Warning 104, NWS Kansas City, MO

May 31, 2026Linn County, Kansas

NWS Kansas City, MO issued this river flood warning at May 31, 2026, 8:39 AM CDT for Linn County, Kansas. It took effect at Jun 1, 2026, 7:21 AM CDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
May 31, 2026, 8:39 AM CDT (13:39 UTC)
In effect from
Jun 1, 2026, 7:21 AM CDT
Expired
Jun 2, 2026, 7:17 PM CDT
In force
36 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
Minor

County Linn County, KS

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 13:39 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 Marais Des Cygnes River at La Cygne (LCGK1). The gauge peaked at 25.48 ft at Jun 2, 2026, 10:00 AM CDT.

actionminormoderate1520253005/3106/0106/0206/0306/04
Action stage
20 ft
Minor stage
25 ft
Moderate stage
30 ft
Major stage
36 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06915800, 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 Kansas City, MO wrote its last area forecast discussion before this river flood warning went out at May 31, 7:37 AM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 31, 7:37 AM CDT, 1 hour 2 minutes before
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Hazardous weather outlook, May 31, 5:05 AM CDT, 3 hours 34 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0505 AM CDT Sun May 31 2026

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-011005-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
0505 AM CDT Sun May 31 2026

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Through tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

The probability for widespread hazardous weather is low.

.KEY MESSAGES...

* Line of showers and storms to move through the region
  overnight/early Sunday morning.

    - Best chances (50-70%) along and north of I-70.

    - Locally heavy rainfall is the primary hazard, with low-end
      potential for damaging winds and hail.

* Showers and storms possible again Sunday. A conditional severe
  threat exists, mainly in the vicinity of and south/southeast of
  the Kansas City metro.

* Hot and humid through Monday, with heat indices expected to reach
  the 90s south of US-36.

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 10:35 AM CDTRiver Flood WarningEAXCass, Henry, Johnson4 days
May 31, 11:54 AM CDTRiver Flood WarningEAXCooper, Saline32 hr
May 31, 3:09 PM CDTRiver Flood WarningEAXBates6 hr
May 31, 8:41 AM CDTRiver Flood WarningEAXMiami52 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.