Belle Fourche, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Belle Fourche SD
National Weather Service Forecast for:
Belle Fourche SD
Issued by: National Weather Service Rapid City, SD |
Updated: 2:31 am MDT Apr 25, 2025 |
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Overnight
 Chance Showers and Patchy Fog
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Friday
 Slight Chance Showers and Patchy Fog
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Friday Night
 Chance Showers
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Saturday
 Slight Chance Showers then Slight Chance T-storms
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Saturday Night
 Slight Chance Showers then Partly Cloudy
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Sunday
 Mostly Sunny then Chance Showers
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Sunday Night
 Showers
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Monday
 Showers and Breezy
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Monday Night
 Chance Showers and Breezy then Partly Cloudy
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Lo 33 °F |
Hi 52 °F |
Lo 40 °F |
Hi 70 °F |
Lo 44 °F |
Hi 79 °F |
Lo 48 °F |
Hi 57 °F |
Lo 34 °F |
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Overnight
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A 30 percent chance of showers, mainly before 4am. Patchy fog. Otherwise, cloudy, with a low around 33. East wind 3 to 6 mph. |
Friday
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A slight chance of showers before 8am, then a slight chance of showers after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 52. Light east wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 20%. |
Friday Night
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A 30 percent chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 40. Southeast wind 13 to 17 mph, with gusts as high as 26 mph. |
Saturday
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A slight chance of showers, with thunderstorms also possible after noon. Cloudy through mid morning, then gradual clearing, with a high near 70. Southeast wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. |
Saturday Night
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A 20 percent chance of showers before midnight. Mostly clear, with a low around 44. Southeast wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 24 mph. |
Sunday
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A 30 percent chance of showers after noon. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph. |
Sunday Night
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Showers and possibly a thunderstorm. Low around 48. Southeast wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. |
Monday
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Showers. Mostly cloudy, with a high near 57. Breezy, with a northwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph. |
Monday Night
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A chance of showers before midnight. Mostly cloudy, with a low around 34. Breezy. |
Tuesday
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Sunny, with a high near 64. |
Tuesday Night
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A chance of showers. Partly cloudy, with a low around 43. |
Wednesday
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A chance of showers. Partly sunny, with a high near 61. |
Wednesday Night
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A chance of showers. Partly cloudy, with a low around 40. |
Thursday
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A slight chance of showers. Mostly sunny, with a high near 64. |
Forecast from NOAA-NWS
for Belle Fourche SD.
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Weather Forecast Discussion
282
FXUS63 KUNR 250733
AFDUNR
Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
133 AM MDT Fri Apr 25 2025
.KEY MESSAGES...
- Warming temperatures through the weekend
- Progressive and unsettled flow over the forecast period
&&
.DISCUSSION...(Today Through Thursday)
Issued at 102 AM MDT Fri Apr 25 2025
Upper air models show troughing over the west coast, with weak
ridging over the northern Rockies, southwest flow over the FA.
Surface charts depict high pressure over eastern MT and a low over
southeastern WY this morning. Radar shows lingering light showers
around the Black Hills into southwestern and south central SD.
Temperatures sit in the 30s with light and variable winds.
Multiple impulses will keep active weather through the weekend.
Showers will continue today, mainly over the Black hills into
southwestern SD where models show the better forcing and weak
instability. Low level WAA continues through the weekend, with
more isolated to scattered showers possible on Saturday. Better
chance for widespread moisture returns Sunday and Monday. Upper
trough digs into the western CONUS and shifts eastward over the
weekend. Strong WAA ahead of the trough will bring temperatures
will bring temperatures into the 70s and possibly low 80s for
Sunday. Meanwhile models show mid-level gulf moisture injecting
into the central and northern plains. Convective models support
modest CAPE and shear that could bring severe storms Sunday
afternoon ahead of the main system, with precipitation
overspreading the FA later Sunday as the upper trough slides east
over the Rockies. NAEFS percentiles put the FA in the 99th
percentile for QPF on Sunday into Monday, while LREF probabilities
for 0.25" of 24hr/QPF show widespread 50-70 percent. Long range
models show a bit of a dry period towards mid-week, but another
impulse may impact the FA towards the end of the work-week. As far
as temperatures are concerned, after our warm Sunday, associated
cold front with that early week system will drop temperatures back
to seasonable the remainder of the forecast period.
&&
.AVIATION...(For the 06Z TAFS Through 06Z Friday Night)
Issued At 1058 PM MDT Thu Apr 24 2025
Widespread IFR conditions and transient LIFR conditions will
continue tonight and into Friday morning in rain/fog/low clouds.
Conditions will improve somewhat Friday afternoon, especially on
the western SD plains; however, IFR conditions could linger across
the BH/SW SD/NE WY through Friday night.
&&
.UNR WATCHES/WARNINGS/ADVISORIES...
SD...None.
WY...None.
&&
$$
DISCUSSION/KEY MESSAGES...Dye
AVIATION...Pojorlie
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