ACUS11 KWNS 070402
SWOMCD
SPC MCD 070402
MTZ000-070500-

Mesoscale Discussion 2261
NWS Storm Prediction Center Norman OK
1102 PM CDT Sun Sep 06 2026

Areas affected...parts of north central Montana

Concerning...Severe Thunderstorm Watch 662...

Valid 070402Z - 070500Z

The severe weather threat for Severe Thunderstorm Watch 662
continues.

SUMMARY...Some further intensification of storms appears possible,
perhaps including a small evolving organized cluster accompanied by
strong surface gusts across the Malta through international border
vicinity of north central Montana by 11 PM-1 AM MDT.

DISCUSSION...A couple of stronger storms have generally maintained
vigorous intensity over the past few hours while propagating north
of Lewistown toward the international border, with supporting
mid/upper forcing for ascent. Based on latest surface and objective
analysis, mid 60s F surface dew points around the Malta vicinity may
still provide potential for increasingly unstable updraft inflow
over the next couple of hours. This could be accompanied by further thunderstorm intensification, perhaps including the evolution of a
small organizing cluster with potential to produce a bit broader
swath of strong to severe gusts. It appears that this probably will
remain west of Glasgow, impacting mainly Blaine and Phillips
counties before progressing across the international border
overnight.

..Kerr.. 09/07/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fjg!8dYRYogulg21SmxIKxTNE2LyfI_NWsaH2bCb55xdi4V6rTqwzNS3wGh13H58zPLfr6B0u4LWdow7-6itiDBtLNchSg0$ for graphic product...

ATTN...WFO...GGW...TFX...

LAT...LON 47760914 48410931 49190961 49280852 48460779 47860775
47510868 47760914

MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


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--- scorpsmtpd
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