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Day 1 Outlook • April 20, 2026
Day 2 Outlook • April 21, 2026
Day 3 Outlook • April 22, 2026
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National Weather Radar

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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for RAPID CITY, SOUTH DAKOTA

Current Conditions: RAPID CITY, SOUTH DAKOTA

SPEARFISH/CLYDE (KSPF)

Clear

53.6 F
Humidity:38%
Wind Speed: 13.9 mph
Barometer: in
Dewpoint:28.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 19 2026, 07:15 PM MDT
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5 Day Forecast for RAPID CITY, SOUTH DAKOTA (57709)

Sunday

High 59 °F
Mostly Sunny
Sunday
Night
Low 39 °F
Chance of Snow
Monday

High 77 °F
Forecast Missing
Monday
Night
Low 48 °F
Forecast Missing
Tuesday

High 82 °F
Forecast Missing
Tuesday
Night
Low 55 °F
Forecast Missing
Wednesday

High 84 °F
Forecast Missing
Wednesday
Night
Low 42 °F
Forecast Missing
Thursday

High 53 °F
Forecast Missing

Detailed Forecast for RAPID CITY, SOUTH DAKOTA (57709)

Sunday
Mostly Sunny. High near 59°F. Wind 10 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Chance of Snow. Low around 39°F. Wind 6 to 8 mph, with gusts as high as 16 mph.
Monday
Chance of Rain/Snow Mix. High near 77°F. Wind 3 to 8 mph, with gusts as high as 21 mph.
Monday Night
Forecast Missing. Low around 48°F. Wind 2 to 5 mph, with gusts as high as 12 mph.
Tuesday
Forecast Missing. High near 82°F. Wind 5 to 9 mph, with gusts as high as 22 mph.
Tuesday Night
Forecast Missing. Low around 55°F. Wind 5 to 7 mph, with gusts as high as 17 mph.
Wednesday
Forecast Missing. High near 84°F. Wind 9 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Forecast Missing. Low around 42°F. Wind 15 to 21 mph, with gusts as high as 39 mph.
Thursday
Forecast Missing. High near 53°F. Wind around 32 mph, with gusts as high as 59 mph.
Thursday Night
Forecast Missing. Low around 30°F. Wind 16 to 25 mph, with gusts as high as 45 mph.
Friday
Forecast Missing. High near 48°F. Wind 16 to 20 mph, with gusts as high as 37 mph.
Friday Night
Forecast Missing. Low around 28°F. Wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
Forecast Missing. High near 50°F. Wind 10 to 13 mph, with gusts as high as 28 mph.
Saturday Night
Forecast Missing. Low around 28°F. Wind around 6 mph, with gusts as high as 14 mph.
SD Radar
Current Radar • SD
Day 1 Outlook • April 20, 2026

Observation History for RAPID CITY, 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)
07:15 PM MDT 13.9 10.00 Clear -- 53.6 28.4 38% NA NA M
06:55 PM MDT 15.0 10.00 Clear -- 57.2 28.4 33% NA NA M
06:35 PM MDT E 17.2 10.00 Clear -- 57.2 28.4 33% NA NA M
06:15 PM MDT 18.3 G 24.2 10.00 Clear -- 59.0 28.4 31% NA NA M
05:55 PM MDT 18.3 10.00 Clear -- 59.0 28.4 31% NA NA M
05:35 PM MDT 19.7 10.00 Clear and Windy -- 59.0 28.4 31% NA NA M
05:15 PM MDT E 17.2 G 23.0 10.00 Clear -- 60.8 30.2 31% NA NA M
04:55 PM MDT E 19.7 10.00 Clear and Windy -- 60.8 30.2 31% NA NA M
04:35 PM MDT E 17.2 10.00 Clear -- 60.8 30.2 31% NA NA M
04:15 PM MDT E 17.2 G 25.3 10.00 Clear -- 60.8 30.2 31% NA NA M
03:55 PM MDT E 16.1 G 21.9 10.00 Clear -- 60.8 30.2 31% NA NA M
03:35 PM MDT E 16.1 G 21.9 10.00 Clear -- 60.8 32.0 34% NA NA M
03:15 PM MDT E 15.0 G 21.9 10.00 Clear -- 59.0 32.0 36% NA NA M
02:55 PM MDT E 17.2 G 23.0 10.00 Clear -- 59.0 32.0 36% NA NA M
02:35 PM MDT E 16.1 10.00 Clear -- 59.0 32.0 36% NA NA M
02:15 PM MDT E 13.9 10.00 Clear -- 59.0 32.0 36% NA NA M
01:55 PM MDT E 12.8 10.00 Clear -- 59.0 30.2 33% NA NA M
01:35 PM MDT E 12.8 10.00 Clear -- 57.2 30.2 36% NA NA M
01:15 PM MDT E 11.4 G 17.2 10.00 Clear -- 55.4 30.2 38% NA NA M
12:55 PM MDT E 8.1 G 16.1 10.00 Clear -- 55.4 32.0 41% NA NA M
12:35 PM MDT E 11.4 10.00 Clear -- 53.6 33.8 47% NA NA M
12:15 PM MDT 8.1 G 16.1 10.00 Clear -- 53.6 33.8 47% NA NA M
11:55 AM MDT E 4.7 G 13.9 10.00 Clear -- 51.8 33.8 50% NA NA M
11:35 AM MDT 8.1 G 13.9 10.00 Clear -- 51.8 33.8 50% NA NA M

Regional Weather Observation

SPEARFISH/CLYDE (KSPF)

Clear
53.6 F

ELLSWORTH AFB (KRCA)

Clear
58.8 F

(KUNR)


F

RAPID CITY (KRAP)

Clear
55.4 F

HULETT MUNI (KW43)

Clear
59.0 F

INYAN KARA (KIKA)

NULL
66.2 F
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