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As of 16:53 CDT

Weather in Yankton, SD

84°Current weather

Yankton, Saturday, 8 August, 16:53

Overcast. Feels like 84°. High 85°, low 58°.

Pressure29.83 inHg
Wind13.9 mph SW
Humidity40%
Visibility6.2 mi
Dew point58°
Sun, 0989° / 70°0Light rain
89 °Light rain

Yankton, Sunday, 9 August

Light rain. High 89°, low 70°.

Pressure29.74 inHg
Wind10.6 mph N
Humidity34%
Visibility6.2 mi
Dew point61°
Mon, 10107° / 67°0Partly cloudy
107 °Partly cloudy

Yankton, Monday, 10 August

Partly cloudy. High 107°, low 67°.

Pressure29.77 inHg
Wind9.4 mph E
Humidity26%
Visibility6.2 mi
Dew point56°
Tue, 11102° / 68°0Clear
102 °Clear

Yankton, Tuesday, 11 August

Clear. High 102°, low 68°.

Pressure29.77 inHg
Wind12.5 mph NE
Humidity35%
Visibility6.2 mi
Dew point61°
Wed, 12102° / 70°0.07Light rain
102 °Light rain

Yankton, Wednesday, 12 August

Light rain. High 102°, low 70°.

Pressure29.80 inHg
Wind8.6 mph SE
Humidity30%
Visibility6.2 mi
Dew point57°
Thu, 1389° / 62°0.09Light rain
89 °Light rain

Yankton, Thursday, 13 August

Light rain. High 89°, low 62°.

Pressure29.97 inHg
Wind19 mph NE
Humidity29%
Visibility—
Dew point47°
Fri, 1492° / 60°0Partly cloudy
92 °Partly cloudy

Yankton, Friday, 14 August

Partly cloudy. High 92°, low 60°.

Pressure30.12 inHg
Wind13.2 mph SE
Humidity27%
Visibility—
Dew point46°
Sat, 1588° / 64°0Overcast
88 °Overcast

Yankton, Saturday, 15 August

Overcast. High 88°, low 64°.

Pressure30.09 inHg
Wind14.1 mph S
Humidity47%
Visibility—
Dew point55°
Sun, 1699° / 69°0.14Light rain
99 °Light rain

Yankton, Sunday, 16 August

Light rain. High 99°, low 69°.

Pressure29.94 inHg
Wind12.2 mph S
Humidity41%
Visibility—
Dew point63°
Mon, 1793° / 69°0.08Light rain
93 °Light rain

Yankton, Monday, 17 August

Light rain. High 93°, low 69°.

Pressure30.00 inHg
Wind8.5 mph N
Humidity42%
Visibility—
Dew point63°
Tue, 18102° / 68°0.06Light rain
102 °Light rain

Yankton, Tuesday, 18 August

Light rain. High 102°, low 68°.

Pressure29.91 inHg
Wind10 mph N
Humidity35%
Visibility—
Dew point59°
Wed, 19100° / 67°0.72Heavy rain
100 °Heavy rain

Yankton, Wednesday, 19 August

Heavy rain. High 100°, low 67°.

Pressure29.83 inHg
Wind12.9 mph NE
Humidity29%
Visibility—
Dew point54°
Thu, 2088° / 62°0Partly cloudy
88 °Partly cloudy

Yankton, Thursday, 20 August

Partly cloudy. High 88°, low 62°.

Pressure29.97 inHg
Wind6.8 mph NE
Humidity39%
Visibility—
Dew point54°
Fri, 2191° / 65°0.04Light rain
91 °Light rain

Yankton, Friday, 21 August

Light rain. High 91°, low 65°.

Pressure29.91 inHg
Wind10.5 mph SW
Humidity36%
Visibility—
Dew point56°
Sat, 2280° / 63°0Overcast
80 °Overcast

Yankton, Saturday, 22 August

Overcast. High 80°, low 63°.

Pressure30.06 inHg
Wind15.7 mph NE
Humidity59%
Visibility—
Dew point57°
Sun, 2381° / 52°0Clear
81 °Clear

Yankton, Sunday, 23 August

Clear. High 81°, low 52°.

Pressure30.15 inHg
Wind10.2 mph SE
Humidity30%
Visibility—
Dew point40°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Yankton, SD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Yankton, SD since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.