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Mobridge, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 17 Miles WSW Biddle MT
National Weather Service Forecast for: 17 Miles WSW Biddle MT
Issued by: National Weather Service Billings, MT
Updated: 1:47 am MDT Aug 13, 2025
 
Overnight

Overnight: A 20 percent chance of showers.  Mostly clear, with a low around 62. South southeast wind around 9 mph.
Slight Chance
Showers
Wednesday

Wednesday: A 20 percent chance of showers after 3pm.  Sunny and hot, with a high near 94. South southwest wind 6 to 13 mph becoming northwest in the afternoon.
Sunny then
Slight Chance
Showers
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 65. West northwest wind 6 to 9 mph becoming south southwest in the evening.
Partly Cloudy

Thursday

Thursday: Sunny and hot, with a high near 91. Southwest wind 6 to 11 mph becoming north in the afternoon.
Hot

Thursday
Night
Thursday Night: Partly cloudy, with a low around 61. Northeast wind 6 to 9 mph.
Partly Cloudy

Friday

Friday: Sunny and hot, with a high near 91. East northeast wind 6 to 8 mph becoming north in the afternoon.
Hot

Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63. East northeast wind 7 to 9 mph becoming southeast after midnight.
Slight Chance
T-storms then
Partly Cloudy
Saturday

Saturday: Mostly sunny and hot, with a high near 90. East southeast wind 7 to 10 mph.
Hot

Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63. East southeast wind 8 to 10 mph.
Slight Chance
T-storms then
Partly Cloudy
Lo 62 °F Hi 94 °F Lo 65 °F Hi 91 °F Lo 61 °F Hi 91 °F Lo 63 °F Hi 90 °F Lo 63 °F

 

Overnight
 
A 20 percent chance of showers. Mostly clear, with a low around 62. South southeast wind around 9 mph.
Wednesday
 
A 20 percent chance of showers after 3pm. Sunny and hot, with a high near 94. South southwest wind 6 to 13 mph becoming northwest in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 65. West northwest wind 6 to 9 mph becoming south southwest in the evening.
Thursday
 
Sunny and hot, with a high near 91. Southwest wind 6 to 11 mph becoming north in the afternoon.
Thursday Night
 
Partly cloudy, with a low around 61. Northeast wind 6 to 9 mph.
Friday
 
Sunny and hot, with a high near 91. East northeast wind 6 to 8 mph becoming north in the afternoon.
Friday Night
 
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East northeast wind 7 to 9 mph becoming southeast after midnight.
Saturday
 
Mostly sunny and hot, with a high near 90. East southeast wind 7 to 10 mph.
Saturday Night
 
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East southeast wind 8 to 10 mph.
Sunday
 
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. South southeast wind around 8 mph becoming northeast in the afternoon.
Sunday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Northeast wind 6 to 9 mph becoming south southeast after midnight.
Monday
 
Sunny and hot, with a high near 93. South southeast wind 6 to 8 mph.
Monday Night
 
Mostly clear, with a low around 62. East wind 7 to 9 mph.
Tuesday
 
Sunny and hot, with a high near 93. East southeast wind 6 to 8 mph.

 

Forecast from NOAA-NWS for 17 Miles WSW Biddle MT.

Weather Forecast Discussion
985
FXUS63 KABR 130714
AFDABR

Area Forecast Discussion
National Weather Service Aberdeen SD
214 AM CDT Wed Aug 13 2025

.KEY MESSAGES...

- Weak/isolated showers and thunderstorms will move west to
east across the area this morning into the early afternoon. Severe
weather is not anticipated with this round of moisture.

- There is a slight risk (level 2 of 5) for central/south central
South Dakota, and a marginal risk (1 out of 5) south of a line from
Mobridge to Redfield and Watertown. Main threats in these outlook
areas are large hail and winds of 60-70mph. Timing of severe weather
is mainly evening and early overnight.

- There is a slight (2 of 5) risk area for the northern tier of
northeast South Dakota, and a marginal risk (1 of 5) in central
South Dakota for storms on Thursday. Again, timing is evening to
overnight and main threats are hail and winds. Coverage is expected
to be more isolated.

- Unsettled weather patten will continue for the end of the week
into the weekend.

- Hot and humid Thursday with highs/heat index values near 100 in
central South Dakota. Temperatures will remain close to climatology
(80s in central SD & 70s in the northeast) Friday through the
weekend and into next week.

&&

.DISCUSSION...
Issued at 209 AM CDT Wed Aug 13 2025

Mid-level clouds associated with warm advection have already
developed out west. There is a very subtle shortwave evident in
deterministic 500mb analysis that will slowly traverse the forecast
area through the course of the day. That, combined with about 100-
200j/kg of mid-level instability means we can anticipate high-based
showers and weak storms to migrate from west to east through the
course of the morning and early afternoon.

The focus then shifts to this afternoon. cams indicate convective
development out west around 00Z mainly out towards the hills but
some of the cams also show some development out in the Pierre area.
CAMS show the convective cluster migrates east southeast across
primarily central South Dakota, Though a couple of the CAMS show
more isolated coverage up along the northern tier of the state into
the northeast by around midnight. CAMS also linger convection
through about 12Z Thursday morning, likely thanks to a 35-45kt low
level jet over the eastern Dakotas/Minnesota.

The 25th 75th percentile range in CAPE from the HREF is
approximately 1200 to 2500 joules per kilogram at about the time of
convective initiation. 0-6km shear runs about 40 knots with a bulls
eye of 50 knots in central South Dakota, With a majority of that
being westerly unidirectional mid-level flow with southeasterlies
in the boundary layer. Across central South Dakota LCLs will end
up running around 8000 feet With dew point depressions running
around 15 Celsius. Doesnt look like theres strong mid level drying
in these profiles, but at 95 over 60 and bases AOA 6-8kft aside
from the shear driven hail aspect, would also think winds are the
primary threat for today.

The heat and humidity is on for Thursday. NBM temperatures and heat
indexes approach the century mark in central South Dakota. Does not
appear at this time to be widespread enough to warrant a heat
advisory. CAMS and Bufkit profiles hint theres still the
potential for isolated convection to break the cap Despite the
elevated mixed layer aloft, possible aided by enhanced flow aloft
thanks to a trough to the north and ridging to the south.
Uncertain if theres a wave embedded within that flow however, but
there is a wave in the NAM/GFS and Canadian later for Friday
morning. NBM has limited POPs but there is some mid level
instability (1200 j/kg in NAM BUFKIT) to support elevated
convection. The heat on Friday is also undercut by a backdoor cold
front.

The rest of the forecast is off and on again chances for moisture as
the pattern is overall unchanged until we get into the middle of
next week with a 4 corners ridge expected to build and project into
the northern Rockies.


&&

.AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/...
Issued at 1211 AM CDT Wed Aug 13 2025

Terminals KABR,KATY,KPIR,KMBG

VFR conditions for all terminals through the day. Elevated
thunderstorms are possible this morning, but too low a probability
for inclusion in TAFS. Later, after 00Z there are higher
probabilities for storms.


&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...None.
MN...None.
&&

$$

DISCUSSION...07
AVIATION...07
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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