Jamestown, North Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Jamestown ND
National Weather Service Forecast for:
Jamestown ND
Issued by: National Weather Service Bismarck, ND |
Updated: 7:49 pm CDT Mar 30, 2025 |
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Tonight
 Mostly Cloudy and Blustery then Mostly Cloudy
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Monday
 Sunny
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Monday Night
 Partly Cloudy then Chance Snow
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Tuesday
 Rain/Snow and Patchy Blowing Snow
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Tuesday Night
 Rain/Snow and Patchy Blowing Snow
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Wednesday
 Snow and Patchy Blowing Snow
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Wednesday Night
 Chance Snow and Patchy Blowing Snow
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Thursday
 Partly Sunny
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Thursday Night
 Partly Cloudy
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Lo 20 °F |
Hi 41 °F |
Lo 26 °F |
Hi 36 °F |
Lo 27 °F |
Hi 34 °F |
Lo 24 °F |
Hi 38 °F |
Lo 22 °F |
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Winter Storm Watch
Tonight
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Cloudy, then gradually becoming partly cloudy, with a low around 20. Blustery, with a north wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph. |
Monday
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Sunny, with a high near 41. North wind 5 to 8 mph becoming southeast in the afternoon. |
Monday Night
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A 40 percent chance of snow after 1am. Increasing clouds, with a low around 26. East wind 10 to 15 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible. |
Tuesday
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Snow before 1pm, then snow, possibly mixed with rain. Patchy blowing snow after 9am. High near 36. Breezy, with an east wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. |
Tuesday Night
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Snow, possibly mixed with rain, becoming all snow after 10pm. Patchy blowing snow. Low around 27. Breezy, with an east wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. |
Wednesday
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Snow. Patchy blowing snow. High near 34. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. |
Wednesday Night
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A 40 percent chance of snow before 1am. Patchy blowing snow before 8pm. Mostly cloudy, with a low around 24. Northwest wind 13 to 17 mph, with gusts as high as 25 mph. |
Thursday
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Partly sunny, with a high near 38. Northwest wind 9 to 11 mph, with gusts as high as 18 mph. |
Thursday Night
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Partly cloudy, with a low around 22. West wind around 7 mph. |
Friday
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Partly sunny, with a high near 42. West wind 7 to 10 mph. |
Friday Night
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Partly cloudy, with a low around 21. West wind around 8 mph. |
Saturday
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Sunny, with a high near 46. West wind 10 to 15 mph, with gusts as high as 23 mph. |
Saturday Night
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Mostly clear, with a low around 21. Northwest wind 10 to 13 mph, with gusts as high as 20 mph. |
Sunday
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Sunny, with a high near 42. |
Forecast from NOAA-NWS
for Jamestown ND.
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Weather Forecast Discussion
438
FXUS63 KBIS 302349
AFDBIS
Area Forecast Discussion
National Weather Service Bismarck ND
649 PM CDT Sun Mar 30 2025
.KEY MESSAGES...
- Below normal temperatures will continue through mid-week.
Breezy winds may also be found through mid-week.
- A winter storm may impact North Dakota in multiple waves early
Tuesday through Wednesday evening. The chance for at least an
inch of snow is above 50% in most areas except the northwest.
- Currently, the more significant winter impacts are favored
across southeastern portions of the state where there is a 70%
chance of at least 6 inches of snow. Gusty winds may also
bring further reductions in visibility from falling and
blowing snow.
&&
.UPDATE...
Issued at 636 PM CDT Sun Mar 30 2025
For early evening update, main change was to delay the departure
of cloud cover a bit as the northern edge of the clouds remain
near the Canadian border, but is having trouble eroding out.
Otherwise, remainder of forecast looks good.
&&
.DISCUSSION...
Issued at 402 PM CDT Sun Mar 30 2025
Surface high with a ridge aloft will work its way into the area
tonight. Cloud cover may start to diminish across the CWA as a
result, although trapped lower level moisture under the high may
linger clouds in some areas through the night. A few flurries
are possible from these lower clouds, although a mainly dry
forecast is possible. Overnight lows in the mid teens to mid
20s are expected. If more clearing can come about then cooler
temperatures and perhaps some patchy fog from lessening winds is
possible. This high and the upper level ridge pull away on
Monday. The result could be some breezy southeasterly winds,
especially in the west. Temperatures may also warm slightly, yet
remain near to slightly below normal in the upper 20s to lower
40s.
The attention then turns to a potential winter storm Monday
night through Wednesday night. This looks to come in the form of
multiple waves with the more impactful period Tuesday night
through Wednesday evening. Ahead of the surface low, a broad
trough will bring southwest flow with warm air advection aloft.
This will provide the first round of snow sometime early Tuesday
through the day Tuesday. Periods of decent snow are possible
with this first round, although there remains some uncertainty
in how much snow. Temperatures could be near freezing, perhaps
mixing in rain at times. The synoptic lift also doesn`t look as
impressive as the second wave. Thus this period will have to be
monitored for winter highlights, as a quick 1 to 2 inches are
possible if more snow than rain falls. Upper level trough then
kicks out the surface low Tuesday night through Wednesday. This
will be the second and perhaps more widespread chances of snow
to the area. Synoptic forcing is also better with this low,
especially in the south central and southeast. This combined
with gusty winds could also further the potential for winter
weather impacts. Thus a Winter Storm Watch is now in effect for
much of southeastern North Dakota Tuesday evening through
Wednesday evening. This area has a 50 to 70% of 6 inches of
snow during this time period, with low to perhaps medium chance
of 8 or more inches of snow. This is the initial issuance of the
watch, and will have to monitor for any westward expansions
especially if the initial wave on Tuesday comes in with more
snow. As mentioned gusty winds to 35 mph could accompany this
winter storm. Blowing snow model keeps the blowing snow
potential from patchy to areas, likely given the warm
temperatures and water content in the snow. Snow then tapers off
Wednesday evening, although patchy blowing snow is possible
into the night. Highs during this system will generally be in
the 30s, with low in the 20s.
Northwest flow then looks to take over for the rest of the week.
Embedded waves in northwest flow could bring slight chances for
rain and snow through the end of the week. Depending how close
to a building upper level ridge North Dakota gets will greatly
influence temperatures during this time period. NBM is
maintaining near to perhaps slightly above normal temperatures,
although the spreads indicate warmer temperatures are possible
more so later in the week or upcoming weekend.
&&
.AVIATION /00Z TAFS THROUGH 00Z TUESDAY/...
Issued at 636 PM CDT Sun Mar 30 2025
Widespread MVFR to low end VFR ceilings will gradually erode out
over most locations overnight, though there is a chance that the
lower ceilings could remain over parts of southwest North
Dakota, possibly affecting the KDIK terminal.
&&
.BIS WATCHES/WARNINGS/ADVISORIES...
Winter Storm Watch from Tuesday evening through late Wednesday
night for NDZ037-047-048-050-051.
&&
$$
UPDATE...JJS
DISCUSSION...Anglin
AVIATION...JJS
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