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As of 01:23 CDT

Weather in Dempster, SD

64°Current weather

Dempster, Sunday, 9 August, 01:23

Partly cloudy. Feels like 64°. High 83°, low 63°.

Pressure29.85 inHg
Wind8.1 mph S
Humidity87%
Visibility6.2 mi
Dew point60°
Mon, 1083° / 57°0.09Rain
83 °Rain

Dempster, Monday, 10 August

Rain. High 83°, low 57°.

Pressure29.85 inHg
Wind9.4 mph SE
Humidity28%
Visibility6.2 mi
Dew point51°
Tue, 1185° / 64°0.26Rain
85 °Rain

Dempster, Tuesday, 11 August

Rain. High 85°, low 64°.

Pressure29.85 inHg
Wind9.5 mph NE
Humidity55%
Visibility6.2 mi
Dew point62°
Wed, 1282° / 62°0Clear
82 °Clear

Dempster, Wednesday, 12 August

Clear. High 82°, low 62°.

Pressure29.97 inHg
Wind11.8 mph E
Humidity35%
Visibility6.2 mi
Dew point50°
Thu, 1372° / 60°0.04Light rain
72 °Light rain

Dempster, Thursday, 13 August

Light rain. High 72°, low 60°.

Pressure30.06 inHg
Wind10.7 mph E
Humidity56%
Visibility—
Dew point50°
Fri, 1482° / 57°0Overcast
82 °Overcast

Dempster, Friday, 14 August

Overcast. High 82°, low 57°.

Pressure30.09 inHg
Wind14 mph E
Humidity33%
Visibility—
Dew point46°
Sat, 1585° / 60°0Overcast
85 °Overcast

Dempster, Saturday, 15 August

Overcast. High 85°, low 60°.

Pressure30.12 inHg
Wind13 mph S
Humidity32%
Visibility—
Dew point47°
Sun, 1685° / 59°0.02Light rain
85 °Light rain

Dempster, Sunday, 16 August

Light rain. High 85°, low 59°.

Pressure30.06 inHg
Wind11.3 mph NE
Humidity53%
Visibility—
Dew point59°
Mon, 1792° / 58°0.08Light rain
92 °Light rain

Dempster, Monday, 17 August

Light rain. High 92°, low 58°.

Pressure29.97 inHg
Wind9.3 mph SW
Humidity50%
Visibility—
Dew point60°
Tue, 1893° / 65°0Partly cloudy
93 °Partly cloudy

Dempster, Tuesday, 18 August

Partly cloudy. High 93°, low 65°.

Pressure29.94 inHg
Wind17.6 mph NE
Humidity27%
Visibility—
Dew point48°
Wed, 1978° / 56°0.03Light rain
78 °Light rain

Dempster, Wednesday, 19 August

Light rain. High 78°, low 56°.

Pressure30.12 inHg
Wind14.2 mph NE
Humidity38%
Visibility—
Dew point44°
Thu, 2075° / 61°0.01Light rain
75 °Light rain

Dempster, Thursday, 20 August

Light rain. High 75°, low 61°.

Pressure30.15 inHg
Wind13.6 mph SW
Humidity52%
Visibility—
Dew point48°
Fri, 2185° / 51°0.03Light rain
85 °Light rain

Dempster, Friday, 21 August

Light rain. High 85°, low 51°.

Pressure29.91 inHg
Wind17.8 mph S
Humidity31%
Visibility—
Dew point42°
Sat, 2288° / 60°0.08Light rain
88 °Light rain

Dempster, Saturday, 22 August

Light rain. High 88°, low 60°.

Pressure29.77 inHg
Wind22.1 mph W
Humidity34%
Visibility—
Dew point50°
Sun, 2385° / 54°0Partly cloudy
85 °Partly cloudy

Dempster, Sunday, 23 August

Partly cloudy. High 85°, low 54°.

Pressure29.94 inHg
Wind9.5 mph N
Humidity29%
Visibility—
Dew point41°
Mon, 2495° / 59°0.04Light rain
95 °Light rain

Dempster, Monday, 24 August

Light rain. High 95°, low 59°.

Pressure29.74 inHg
Wind16.4 mph S
Humidity30%
Visibility—
Dew point54°

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 Dempster, 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 Dempster, 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.