Casselton, North Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Casselton ND
National Weather Service Forecast for:
Casselton ND
Issued by: National Weather Service Grand Forks, ND |
Updated: 12:45 pm CDT Jul 16, 2025 |
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This Afternoon
 Slight Chance Showers
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Tonight
 Decreasing Clouds
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Thursday
 Sunny
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Thursday Night
 Partly Cloudy then Chance Showers
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Friday
 Showers Likely
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Friday Night
 Mostly Cloudy
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Saturday
 Mostly Sunny
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Saturday Night
 Partly Cloudy
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Sunday
 Mostly Sunny then Slight Chance Showers
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Hi 68 °F |
Lo 46 °F |
Hi 73 °F |
Lo 57 °F |
Hi 72 °F |
Lo 56 °F |
Hi 77 °F |
Lo 56 °F |
Hi 80 °F |
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This Afternoon
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A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 68. North wind 8 to 11 mph. |
Tonight
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Mostly cloudy, then gradually becoming mostly clear, with a low around 46. North northwest wind 6 to 14 mph, with gusts as high as 22 mph. |
Thursday
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Sunny, with a high near 73. North wind 6 to 8 mph becoming south southeast in the afternoon. |
Thursday Night
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A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 57. South southeast wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Friday
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Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. South southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Friday Night
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Mostly cloudy, with a low around 56. East wind 7 to 10 mph becoming north after midnight. |
Saturday
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Mostly sunny, with a high near 77. Northeast wind 7 to 9 mph. |
Saturday Night
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Partly cloudy, with a low around 56. East southeast wind 5 to 7 mph. |
Sunday
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A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80. South southeast wind 6 to 16 mph, with gusts as high as 24 mph. |
Sunday Night
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A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 10 to 14 mph, with gusts as high as 22 mph. |
Monday
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A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 10 to 14 mph, with gusts as high as 21 mph. |
Monday Night
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A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 7 to 10 mph becoming west southwest after midnight. |
Tuesday
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A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. |
Forecast from NOAA-NWS
for Casselton ND.
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Weather Forecast Discussion
978
FXUS63 KFGF 161750
AFDFGF
Area Forecast Discussion
National Weather Service Grand Forks ND
1250 PM CDT Wed Jul 16 2025
.KEY MESSAGES...
- Next chance for strong or severe thunderstorms is Sunday and Monday.
&&
.DISCUSSION...
Issued at 303 AM CDT Wed Jul 16 2025
...Synopsis...
Nice to have a quiet night for a change. Showers are located
just southeast of our forecast area from Duluth to Alexandria
with the showers moving northeast and eventually east.
Partial clearing did work into northeast ND and far northwest MN
overnight and with that temps at 08z had dropped into the mid
40s at several locations along the Canadian border. Clouds are
increasing though from the west and southwest ahead of the next
500 mb wave with the end result today being mostly cloudy.
This 500 mb short wave is moving thru central Montana with
showers in Montana into western SD where it meets up with
another short wave and higher instability in eastern Wyoming and
western SD. The upper wave will move east and the Montana wave
weakens a bit as it does move east today with moisture more
focused on the South Dakota wave. Therefore trends are for lower
pops for our forecast area with dry conditions Hwy 2 north
today, with scattered showers south. No thunder mentioned. Rain
amounts very light, trace to 0.05 inch in the south.
Clearing tonight and a mostly sunny pleasant day on Thursday
with highs in the low 70s and light winds. Normal highs are in
the upper 70s to low 80s now, so these are running about 7-10
degrees below normal.
Upper air pattern is such with northern Hudson Bay low and a
general 500 mb trough and suppressed heights from British
Columbia east-southeast thru Canada and the northern tier of
states. Friday 500 mb wave is over northern BC attm and this
wave will bring moisture to the area late Thursday night into
Friday. Showers and a few t-storms possible. Instability is weak
and not supportive of any strong storms. Clearing out for
Saturday.
...Sunday and Monday...
Next larger 500 mb low and short wave moves into Alberta Sunday
and south winds will bring up more warmth and moisture to create
increased surface CAPE Sunday afternoon, with highest sfc CAPE
values 2000-2500 j/kg in western ND and potential for over 3000
j/kg sfc CAPE into eastern ND and RRV Monday as dew pts climb
into the 65-70 range and highs temps into the low 80s. Machine
learning forecasts do highlight the area Monday with a low end
chance for severe.
&&
.AVIATION /18Z TAFS THROUGH 18Z THURSDAY/...
Issued at 1250 PM CDT Wed Jul 16 2025
A few light showers in SE ND bringing some low CIGS to KFAR
initially this afternoon. Otherwise northeasterly winds with
some gustiness today becoming light and variable overnight into
Thursday as high pressure builds into the region. Winds
becoming more southerly beyond the current forecast period. MVFR
to VFR CIGS this afternoon, before skies expected to clear as
the high pressure moves in tonight into Thursday.
&&
.FGF WATCHES/WARNINGS/ADVISORIES...
ND...None.
MN...None.
&&
$$
DISCUSSION...Riddle
AVIATION...MJB
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