Flood Watch

Flood Watch
National Weather Service Billings MT
432 AM MDT Sun Sep 20 2026

.Showers are turning light and tapering off along the western
foothills, but healthier showers will continue over central and
eastern portions of the forecast area today. The risk of flooding
continues.

MTZ029>033-036-037-057-058-138-169-171-173-235-WYZ198-199-210000-
/O.CON.KBYZ.FA.A.0004.000000T0000Z-260921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Musselshell-Treasure-Northern Rosebud-Custer-Fallon-Powder River-
Carter-Northern Big Horn-Southern Rosebud-Southern Big Horn-
Bighorn Canyon-Pryor/Northern Bighorn Mountains-Northeastern
Yellowstone-Southwestern Yellowstone-Northeast Bighorn Mountains-
Sheridan Foothills-
Including the locations of Lodge Grass, Crow Agency, Broadus,
Ekalaka, Forsyth, Pompeys Pillar, Hysham, Hardin, Pryor, Burgess Jct,
Custer, Lame Deer, Colstrip, Miles City, Sheridan, Billings, Roundup,
Baker, and Fort Smith
432 AM MDT Sun Sep 20 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall is possible, along
  with flash flooding over recent burn scars.

* WHERE...Southeast Montana and Sheridan County Wyoming.

* WHEN...Through this afternoon.

* IMPACTS...Excessive runoff may result in flooding of creeks and
  other low-lying and flood-prone locations. Flooding may occur in
  poor drainage and urban areas. The risk of flooding will diminish
  late this afternoon and evening as showers taper off.

* ADDITIONAL DETAILS...
  - The heaviest rainfall is slowly shifting eastward to southeast
    Montana and northeast Wyoming.
  - The Elk and McGhee-Remington burn scars are particularly
    vulnerable to flash flooding and debris flows. Any other burn
    scars from this summer will have elevated flash flood potential
    as well.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

JKL

Flood Watch
National Weather Service Glasgow MT
359 AM MDT Sun Sep 20 2026

MTZ021-022-025>027-210000-
/O.CON.KGGW.FA.A.0003.000000T0000Z-260921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Petroleum-Garfield-Dawson-Prairie-Wibaux-
Including Glendive, Richey, Wibaux, Winnett, Jordan, and Terry
359 AM MDT Sun Sep 20 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...A portion of northeast Montana, including the following
  counties, Dawson, Garfield, Petroleum, Prairie and Wibaux.

* WHEN...Through this afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
  - Additional rain is expected today on saturated ground along and
    south of MT 200 between Winnett, Jordan and Glendive and south of
    I 94 between Glendive and Wibaux. Heavy rain is possible in any
    embedded thunderstorms that may occur.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$