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Mandan, North Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Mandan ND
National Weather Service Forecast for: Mandan ND
Issued by: National Weather Service Bismarck, ND
Updated: 11:50 pm CDT Jul 11, 2025
 
Overnight

Overnight: Widespread smoke. Mostly clear, with a low around 52. West wind around 6 mph.
Smoke

Saturday

Saturday: Areas of smoke before noon. Sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the morning.
Areas Smoke
then Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 59. West wind 6 to 8 mph becoming south in the evening.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 88. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 61. North wind 5 to 10 mph becoming southeast after midnight.
Mostly Clear

Monday

Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 90. South wind 6 to 11 mph, with gusts as high as 21 mph.
Sunny then
Slight Chance
T-storms
Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 60. Southeast wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.
Showers
Likely
Tuesday

Tuesday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 77. North wind 10 to 14 mph, with gusts as high as 23 mph.
Chance
Showers
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. Northeast wind 8 to 14 mph, with gusts as high as 22 mph.
Chance
Showers
Lo 52 °F Hi 83 °F Lo 59 °F Hi 88 °F Lo 61 °F Hi 90 °F Lo 60 °F Hi 77 °F Lo 53 °F

 

Overnight
 
Widespread smoke. Mostly clear, with a low around 52. West wind around 6 mph.
Saturday
 
Areas of smoke before noon. Sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
 
Partly cloudy, with a low around 59. West wind 6 to 8 mph becoming south in the evening.
Sunday
 
Sunny, with a high near 88. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
 
Mostly clear, with a low around 61. North wind 5 to 10 mph becoming southeast after midnight.
Monday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. South wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
 
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Southeast wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. North wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday
 
Partly sunny, with a high near 68. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
 
Partly cloudy, with a low around 51. Northeast wind 6 to 10 mph.
Thursday
 
Mostly sunny, with a high near 72. East wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
 
Partly cloudy, with a low around 54. Southeast wind 8 to 10 mph.
Friday
 
Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Mandan ND.

Weather Forecast Discussion
413
FXUS63 KBIS 120255
AFDBIS

Area Forecast Discussion
National Weather Service Bismarck ND
955 PM CDT Fri Jul 11 2025

.KEY MESSAGES...

-Areas of smoke return to much of the area this evening, and
 will gradually depart west to east Saturday.

-Dry with a warming trend through the weekend.

-Medium chances (30 to 60 percent) for showers and thunderstorms
 return to the forecast Monday night.

-Notably cooler mid-week.

&&

.UPDATE...
Issued at 949 PM CDT Fri Jul 11 2025

There are no weather updates with this recent product issuance.

Smoke continues to filter south-southeast across the region.
Will increase the aerial coverage and messaging in the
forecast.

UPDATE
Issued at 617 PM CDT Fri Jul 11 2025

Main edit to the forecast was to refine POPs a bit, removing
southeast where nothing is occurring, and tweaking north
central/northeast where isolated convection continues near the
upper low.

&&

.DISCUSSION...
Issued at 244 PM CDT Fri Jul 11 2025

Current surface analysis places trough from western Ontario into
the upper midwest and central plains, while high remains over
central into eastern Montana. Upper level analysis places low
along the southern Manitoba/Saskatchewan border with cyclonic
flow stretching into our area. This is resulting in some
isolated to scattered rain showers, mainly along our northern
tier. Otherwise, smoke is starting to make its way into
northwest North Dakota again as seen on latest satellite
depiction, and noted on upstream observations.

For the rest of this afternoon into tonight, isolated to
scattered showers with possibly a few thunderstorms will
continue over northwest into north central North Dakota before
diminishing towards evening. Otherwise, the main concern
switches to smoke. Latest guidance brings the smoke into much of
western and central North Dakota through this evening into the
overnight hours, with the possible exception of the far
southwest.

On Saturday, the day starts out with areas of smoke lingering in
the early morning, but expect this to gradually clear out from
west to east with increasing westerly winds. Broad upper ridge
over the western CONUS should keep conditions dry for us, with
temperatures warming into the 80s. Dry conditions continue into
Sunday as ridge remains the dominating feature in the area.
Again, widespread 80s with possibly a few 90s in the southwest
expected.

Changes come Monday as ridge starts to break down and a variety
of upper waves make their way towards the area. The first round
of waves will pass over northern portions of the area during the
day bringing chances for showers and storms, with temperatures
cooling. Over the south, warm temperatures remain through the
day. Changes come Monday night as the flow dips southward,
resulting moderate chances (30-60 percent) for showers and
thunderstorms. Latest CSU machine learning guidance keeps a
modest severe threat over the south, but will see how this
evolves over time. Chances for precipitation continue into
Tuesday with notably cooler temperatures. Cooling trend
continues into Wednesday with chances for precipitation
continuing. Temperatures then may recover some to end the week.

&&

.AVIATION /00Z TAFS THROUGH 00Z SATURDAY/...
Issued at 617 PM CDT Fri Jul 11 2025

Scattered rain showers with a few thunderstorms remain possible
over far northern North Dakota through early this evening,
otherwise, quiet weather is expected. Areas of smoke are
expected to return tonight to western and central North Dakota,
before gradually clearing out from west to east on Saturday.
This will result in areas of reduced visibility, possibly to
MVFR/IFR levels.

&&

.BIS WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

UPDATE...NH
DISCUSSION...JJS
AVIATION...NH
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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