Gayville, SD Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Gayville, SD.

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Current Conditions — Gayville, SD

YANKTON (KYKN)

Mostly Cloudy

46.4 F
Humidity:61%
Wind Speed: 9.2 mph
Barometer: in
Dewpoint:33.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:41.9 F
Apr 28 2026, 10:45 AM CDT
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5-Day Forecast — Gayville, SD

Tuesday

High 57 °F
Chance of Rain Showers
Tuesday
Night
Low 35 °F
Chance of Rain
Wednesday

High 64 °F
Slight Chance of Showers
Wednesday
Night
Low 37 °F
Slight Chance of Rain
Thursday

High 59 °F
Mostly Cloudy
Thursday
Night
Low 32 °F
Mostly Clear
Friday

High 60 °F
Partly Sunny
Friday
Night
Low 35 °F
Mostly Clear
Saturday

High 69 °F
Mostly Sunny

Detailed Forecast — Gayville, SD

Tuesday
Chance of Rain Showers. High near 57°F. Wind 7 to 9 mph, with gusts as high as 14 mph.
Tuesday Night
Chance of Rain. Low around 35°F. Wind 3 to 7 mph, with gusts as high as 10 mph.
Wednesday
Slight Chance of Showers. High near 64°F. Wind 3 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Slight Chance of Rain. Low around 37°F. Wind 5 to 9 mph, with gusts as high as 13 mph.
Thursday
Mostly Cloudy. High near 59°F. Wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly Clear. Low around 32°F. Wind around 5 mph, with gusts as high as 7 mph.
Friday
Partly Sunny. High near 60°F. Wind 7 to 10 mph, with gusts as high as 16 mph.
Friday Night
Mostly Clear. Low around 35°F. Wind around 2 mph, with gusts as high as 5 mph.
Saturday
Mostly Sunny. High near 69°F. Wind 7 to 8 mph, with gusts as high as 14 mph.
Saturday Night
Mostly Clear. Low around 41°F. Wind around 6 mph, with gusts as high as 9 mph.
Sunday
Partly Sunny. High near 75°F. Wind 13 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly Cloudy. Low around 44°F. Wind around 5 mph, with gusts as high as 8 mph.
Monday
Slight Chance of Showers. High near 73°F. Wind 14 to 18 mph, with gusts as high as 25 mph.
SD Radar
Current Radar • SD
Day 1 Outlook • April 28, 2026

Observation History — Gayville, SD

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)
10:45 AM CDT 9.2 10.00 Mostly Cloudy -- 46.4 33.8 61% 41.9 NA M
10:35 AM CDT 9.2 10.00 Partly Cloudy -- 46.4 35.6 66% 41.9 NA M
10:30 AM CDT NW 5.7 10.00 Mostly Clear -- 46.4 35.6 66% 43.5 NA M
10:20 AM CDT 6.9 10.00 Partly Cloudy -- 44.6 37.4 76% 40.6 NA M
10:15 AM CDT NW 9.2 10.00 Mostly Clear -- 44.6 35.6 70% 39.7 NA M
10:00 AM CDT NW 8.1 10.00 Clear -- 44.6 35.6 70% 40.1 NA M
09:50 AM CDT NW 9.2 10.00 Clear -- 44.6 37.4 76% 39.7 NA M
09:40 AM CDT NW 8.1 10.00 Clear -- 42.8 35.6 76% 37.9 NA M
09:30 AM CDT 8.1 10.00 Clear -- 42.8 35.6 76% 37.9 NA M
09:25 AM CDT NW 8.1 10.00 Clear -- 42.8 35.6 76% 37.9 NA M
09:20 AM CDT 9.2 10.00 Mostly Clear -- 41.0 35.6 81% 35.2 NA M
09:10 AM CDT NW 9.2 10.00 Clear -- 41.0 35.6 81% 35.2 NA M
09:05 AM CDT NW 9.2 10.00 Clear -- 42.8 35.6 76% 37.4 NA M
09:00 AM CDT NW 9.2 10.00 Clear -- 42.8 35.6 76% 37.4 NA M
08:50 AM CDT NW 8.1 10.00 Clear -- 42.8 35.6 76% 37.9 NA M
08:35 AM CDT 8.1 10.00 Clear -- 39.2 35.6 87% 33.6 NA M
08:30 AM CDT NW 9.2 10.00 Clear -- 39.2 35.6 87% 33.1 NA M
08:25 AM CDT 9.2 10.00 Clear -- 39.2 35.6 87% 33.1 NA M
08:20 AM CDT NW 8.1 10.00 Clear -- 39.2 35.6 87% 33.6 NA M
08:10 AM CDT 8.1 10.00 Clear -- 39.2 35.6 87% 33.6 NA M
08:05 AM CDT 9.2 10.00 Clear -- 39.2 35.6 87% 33.1 NA M
07:50 AM CDT 9.2 10.00 Clear -- 39.2 35.6 87% 33.1 NA M
07:45 AM CDT 8.1 10.00 Clear -- 39.2 35.6 87% 33.6 NA M
07:35 AM CDT 8.1 10.00 Clear -- 37.4 35.6 93% 31.5 NA M

Regional Weather Observation

YANKTON (KYKN)

Mostly Cloudy
46.4 F

SIOUX FALLS (KFSD)

Mostly Cloudy
46.4 F

MITCHELL (KMHE)

Mostly Clear
44.6 F

MAURICE (KSXK)

Clear
44.6 F

WAYNE MUNI (KLCG)

Clear
NULL F

LE MARS (KLRJ)

Clear
46.4 F
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