As of 13:24 MDT

Weather in Marcus, SD

94°Current weather

Marcus, Saturday, 8 August, 13:24

Clear. Feels like 93°. High 98°, low 64°.

Pressure29.77 inHg
Wind5.2 mph S
Humidity30%
Visibility6.2 mi
Dew point55°
Sun, 0993° / 66°0Overcast
93 °Overcast

Marcus, Sunday, 9 August

Overcast. High 93°, low 66°.

Pressure29.80 inHg
Wind14 mph E
Humidity33%
Visibility6.2 mi
Dew point55°
Mon, 10100° / 67°0.03Light rain
100 °Light rain

Marcus, Monday, 10 August

Light rain. High 100°, low 67°.

Pressure29.74 inHg
Wind9.4 mph SE
Humidity33%
Visibility6.2 mi
Dew point60°
Tue, 1192° / 67°0.01Light rain
92 °Light rain

Marcus, Tuesday, 11 August

Light rain. High 92°, low 67°.

Pressure29.85 inHg
Wind9.6 mph E
Humidity38%
Visibility6.2 mi
Dew point57°
Wed, 1291° / 69°0.02Light rain
91 °Light rain

Marcus, Wednesday, 12 August

Light rain. High 91°, low 69°.

Pressure29.77 inHg
Wind8.9 mph SE
Humidity28%
Visibility6.2 mi
Dew point54°
Thu, 1384° / 65°0.07Light rain
84 °Light rain

Marcus, Thursday, 13 August

Light rain. High 84°, low 65°.

Pressure30.03 inHg
Wind14.9 mph E
Humidity40%
Visibility
Dew point49°
Fri, 1493° / 68°0.19Rain
93 °Rain

Marcus, Friday, 14 August

Rain. High 93°, low 68°.

Pressure29.91 inHg
Wind26.7 mph S
Humidity37%
Visibility
Dew point56°
Sat, 1593° / 70°0.02Light rain
93 °Light rain

Marcus, Saturday, 15 August

Light rain. High 93°, low 70°.

Pressure29.97 inHg
Wind17.8 mph S
Humidity39%
Visibility
Dew point57°
Sun, 1695° / 74°0.01Light rain
95 °Light rain

Marcus, Sunday, 16 August

Light rain. High 95°, low 74°.

Pressure29.91 inHg
Wind14.1 mph NW
Humidity32%
Visibility
Dew point56°
Mon, 1795° / 73°0Light rain
95 °Light rain

Marcus, Monday, 17 August

Light rain. High 95°, low 73°.

Pressure29.94 inHg
Wind15.9 mph SE
Humidity29%
Visibility
Dew point53°
Tue, 1897° / 72°0Light rain
97 °Light rain

Marcus, Tuesday, 18 August

Light rain. High 97°, low 72°.

Pressure29.94 inHg
Wind13.4 mph E
Humidity20%
Visibility
Dew point44°
Wed, 1982° / 71°0.22Light rain
82 °Light rain

Marcus, Wednesday, 19 August

Light rain. High 82°, low 71°.

Pressure29.97 inHg
Wind23.4 mph E
Humidity56%
Visibility
Dew point57°
Thu, 2087° / 68°0Overcast
87 °Overcast

Marcus, Thursday, 20 August

Overcast. High 87°, low 68°.

Pressure30.00 inHg
Wind11 mph SE
Humidity40%
Visibility
Dew point53°
Fri, 2197° / 69°0.01Light rain
97 °Light rain

Marcus, Friday, 21 August

Light rain. High 97°, low 69°.

Pressure29.83 inHg
Wind8 mph S
Humidity32%
Visibility
Dew point54°
Sat, 2278° / 58°0Partly cloudy
78 °Partly cloudy

Marcus, Saturday, 22 August

Partly cloudy. High 78°, low 58°.

Pressure30.12 inHg
Wind21.4 mph N
Humidity46%
Visibility
Dew point49°
Sun, 2388° / 62°0.01Light rain
88 °Light rain

Marcus, Sunday, 23 August

Light rain. High 88°, low 62°.

Pressure30.00 inHg
Wind11.3 mph SE
Humidity43%
Visibility
Dew point55°

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 Marcus, 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 Marcus, 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.