Area Forecast Discussion
Issued by NWS Glasgow, MT

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FXUS65 KGGW 242233

Area Forecast Discussion...Updated
National Weather Service Glasgow
MT 425 PM MDT Sat Mar 24 2018

420 pm update: A narrow line of showers extends along the Phillips
county and Valley county border, with showers lifting northeast into
southern Saskatchewan this evening. More very light showers were
moving east northeast across western Garfield County with additional
showers expected to lift out of south central Montana and track
across the eastern zones overnight. Little if any accumulation of
rain was occuring from these showers. Snow melt to continued aid in
the redevelopment of low cloud and fog tonight mainly over the
northern zones.

Upper trof moves through the region over the next few days for
continued mild temperatures. Some energy in the base of the trof
could bring some precipitation to southern Montana on Sunday
night. Flow turns northwest behind the trof, for unsettled but
cooler weather. Ebert

SW flow aloft continues to direct a few showers generally from SW
to NE across the region. More of this activity will impact the
TAF sites this evening through tonight with vicinity showers.

VFR conditions will deteriorate to MVFR or occasionally IFR
overnight with low cloud and fog redeveloping mainly from the
Milk/Missouri Rivers northward.

Ice and snow melt continue to produce flooding and the threat of
flooding across northeast Montana.

A Flood Warning continues today for the Musselshell River from
Musselshell county line north to Crooked Creek Recreation Area.
Ice jamming is occurring at the outlets of multiple tributaries
along the length of the Musselshell River between Petroleum and
Garfield Counties and could lead to continued flooding issues
along the river into early next week.

A small stream flood advisory in effect for Petroleum County, as
many of the small streams and poor drainage areas are beginning to
fill up with water, mainly due to snowmelt issues. Water has been
reported to be over some roads in the southern portion of the

The ice is moving quickly down the Yellowstone River. The river
has been reported as mostly ice free through Prairie and Dawson

A flood warning has been issued for ice jams along the Yellowstone
River in Richland county this morning. As the ice moves downstream
ice jams are possible. Flooding has been reported around Savage
due to an ice jam.

Flood watch continues for Garfield county where water is
beginning to move along the streams due to snow melt. No
significant issues have been reported yet but high water is
occuring along Big Dry Creek east of Jordan. The main concern over
the next week will be snow melt over last summer`s burn scar, and
the potential for significant runoff into creeks, especially Calf
Creek in the southwest portion of the county.

The Poplar River near International boundary in Daniels Country
continues to hold in action stage today. This has been steadily
rising for several days now, but current rise looks likes ice jam

To monitor river stage readings, go to our Advanced Hydrologic
Prediction Service (AHPS) page at then
click on "Rivers and Lakes" then "River Observations". Data for
this page are provided by the USGS.

Flood Watch through Monday afternoon for Garfield.
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