Porcupine, North Dakota Weather Forecast Discussion

844
FXUS63 KBIS 281727
AFDBIS
Area Forecast Discussion
National Weather Service Bismarck ND
1227 PM CDT Sun Sep 28 2025
.KEY MESSAGES...
- Above average temperatures and occasionally breezy conditions
  continue through the middle of this week.
- Mostly dry conditions continue through the middle of this
  week. Low chances for rain return at the end of the week.
&&
.UPDATE...
Issued at 1227 PM CDT Sun Sep 28 2025
Limited updates needed early this afternoon. Some mid to high
level clouds may move into the state from southwest to northeast
today. High temperatures today will generally be in the 80s.
Some breezy winds are possible in the south central and
southeast. Overall the forecast remains on track.
UPDATE
Issued at 940 AM CDT Sun Sep 28 2025
Clear skies remain across the state this morning. Warm
temperatures and mainly clear skies are expected today. Overall
the forecast remains on track.
UPDATE
Issued at 627 AM CDT Sun Sep 28 2025
The forecast remains on track.
&&
.DISCUSSION...
Issued at 326 AM CDT Sun Sep 28 2025
An extended period of quiet, warm weather continues with mostly
sunny skies and dry conditions on tap for today. Highs are
expected to reach the 80s across most of the state, with the
warmest temperatures in the southwest as an east CONUS upper
high advects warmer air over the Western Plains. Through
Wednesday, this upper high will gradually amplify into a ridge
centered over the Great Lakes Region allowing warmer
temperatures aloft to persist over the Northern Plains. As such,
and combined with frequent southerly flow at the surface, highs
are forecast to reach the 80s across the state most days this
week through Thursday. Still, some upper 70 degree readings are
possible at times, especially near the Canadian border on
Monday.
For the most part, this pattern will maintain mostly dry
conditions through Thursday night. However, multiple weak
shortwaves may ride the western periphery of the ridge during
the workweek. As a result, the NBM continues to produce very
low, mostly non-mentionable PoPs over the forecast area. Still,
wouldn`t be surprised if a few showers, possibly with a few
rumbles of thunder, occur at some point.
Towards the end of the week, a major change in the weather pattern
is favored as models consistently suggest a trough will dig
into the western CONUS and break down the aforementioned ridge.
As this happens, rain chances will return to the area.
Where/when exactly, how much potential precipitation, and
duration of potential precipitation all remain open questions.
What maintains a higher probability, however, is a return to
seasonable temperatures that have the potential to become below
average by the end of the next weekend.
&&
.AVIATION /18Z TAFS THROUGH 18Z MONDAY/...
Issued at 1224 PM CDT Sun Sep 28 2025
VFR conditions are forecast through the forecast period. FEW to
SCT mid to high level clouds may move in later today through
tomorrow morning. Look for a south wind becoming easterly
through the forecast period. Some low clouds to perhaps patchy
fog is possible overnight tonight into Monday morning. Dry air
in place makes confidence in this occurring low, thus is not
included in the TAFs at this time.
&&
.BIS WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
UPDATE...Anglin
DISCUSSION...Telken
AVIATION...Anglin

NWS BIS Office Area Forecast Discussion