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Day 1 Outlook • April 19, 2026
Day 2 Outlook • April 20, 2026
Day 3 Outlook • April 21, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for BUFFALO GAP, SOUTH DAKOTA

Current Conditions: BUFFALO GAP, SOUTH DAKOTA

CUSTER (KCUT)

Clear

57.2 F
Humidity:14%
Wind Speed:SW 6.9 mph
Barometer: in
Dewpoint:8.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 19 2026, 05:35 PM MDT
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5 Day Forecast for BUFFALO GAP, SOUTH DAKOTA (57722)

Sunday

High 64 °F
Mostly Sunny
Sunday
Night
Low 37 °F
Mostly Clear
Monday

High 82 °F
Partly Sunny
Monday
Night
Low 48 °F
Mostly Clear
Tuesday

High 86 °F
Partly Sunny
Tuesday
Night
Low 55 °F
Mostly Cloudy
Wednesday

High 86 °F
Chance of T-storms
Wednesday
Night
Low 46 °F
Chance of Rain
Thursday

High 59 °F
Chance of Rain Showers

Detailed Forecast for BUFFALO GAP, SOUTH DAKOTA (57722)

Sunday
Mostly Sunny. High near 64°F. Wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly Clear. Low around 37°F. Wind 5 to 9 mph, with gusts as high as 15 mph.
Monday
Partly Sunny. High near 82°F. Wind 8 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly Clear. Low around 48°F. Wind 3 to 7 mph, with gusts as high as 13 mph.
Tuesday
Partly Sunny. High near 86°F. Wind 6 to 12 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly Cloudy. Low around 55°F. Wind around 6 mph, with gusts as high as 9 mph.
Wednesday
Chance of Thunderstorms. High near 86°F. Wind 16 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Chance of Rain. Low around 46°F. Wind 24 to 26 mph, with gusts as high as 36 mph.
Thursday
Chance of Rain Showers. High near 59°F. Wind 29 to 33 mph, with gusts as high as 46 mph.
Thursday Night
Chance of Snow. Low around 30°F. Wind 13 to 14 mph, with gusts as high as 26 mph.
Friday
Slight Chance of Snow. High near 55°F. Wind 18 to 20 mph, with gusts as high as 30 mph.
Friday Night
Slight Chance of Snow. Low around 30°F. Wind around 8 mph, with gusts as high as 16 mph.
Saturday
Slight Chance of Snow. High near 55°F. Wind 13 to 14 mph, with gusts as high as 25 mph.
SD Radar
Current Radar • SD
Day 1 Outlook • April 19, 2026

Observation History for BUFFALO GAP, SOUTH DAKOTA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:35 PM MDT SW 6.9 10.00 Clear -- 57.2 8.6 14% NA NA M
05:20 PM MDT S 9.2 10.00 Clear -- 57.2 8.6 14% NA NA M
05:15 PM MDT 10.00 Clear -- 57.2 8.6 14% NA NA M
05:05 PM MDT S 6.9 10.00 Clear -- 57.2 8.6 14% NA NA M
05:00 PM MDT S 9.2 10.00 Clear -- 57.2 8.6 14% NA NA M
04:35 PM MDT 3.4 10.00 Clear -- 57.2 8.6 14% NA NA M
04:25 PM MDT 4.6 10.00 Clear -- 57.2 8.6 14% NA NA M
04:10 PM MDT 9.2 10.00 Clear -- 57.2 10.4 15% NA NA M
04:05 PM MDT SW 8.1 10.00 Clear -- 57.2 8.6 14% NA NA M
03:50 PM MDT SW 6.9 10.00 Clear -- 57.2 10.4 15% NA NA M
03:35 PM MDT 10.4 G 19.6 10.00 Clear -- 59.0 12.2 16% NA NA M
03:20 PM MDT 8.1 10.00 Clear -- 57.2 10.4 15% NA NA M
03:15 PM MDT 4.6 10.00 Clear -- 57.2 8.6 14% NA NA M
03:05 PM MDT S 4.6 10.00 Clear -- 55.4 14.0 19% NA NA M
02:50 PM MDT 0.0 10.00 Clear -- 57.2 12.2 17% NA NA M
02:35 PM MDT 6.9 10.00 Clear -- 55.4 10.4 16% NA NA M
02:20 PM MDT 5.7 10.00 Clear -- 55.4 12.2 18% NA NA M
02:10 PM MDT SW 5.7 10.00 Clear -- 57.2 15.8 19% NA NA M
02:05 PM MDT SW 8.1 10.00 Clear -- 55.4 14.0 19% NA NA M
01:50 PM MDT 8.1 10.00 Clear -- 55.4 12.2 18% NA NA M
01:35 PM MDT 10.00 Clear -- 55.4 12.2 18% NA NA M
01:20 PM MDT 8.1 10.00 Clear -- 55.4 12.2 18% NA NA M
01:05 PM MDT W 5.7 10.00 Clear -- 53.6 % NA NA M
12:50 PM MDT G 17.3 10.00 Clear -- 55.4 12.2 18% NA NA M

Regional Weather Observation

CUSTER (KCUT)

Clear
57.2 F

(KUNR)


F

RAPID CITY (KRAP)

Clear
62.6 F

ELLSWORTH AFB (KRCA)

Clear
62.6 F

NEWCASTLE MONDEL (KECS)

Clear
64.4 F

SPEARFISH/CLYDE (KSPF)

Clear and Windy
59.0 F
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