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As of 22:20 CDT

Weather in Alsen, SD

67°Current weather

Alsen, Saturday, 8 August, 22:20

Clear. Feels like 68°. High 81°, low 57°.

Pressure29.88 inHg
Wind7 mph S
Humidity79%
Visibility6.2 mi
Dew point62°
Sun, 0988° / 68°0Mostly clear
88 °Mostly clear

Alsen, Sunday, 9 August

Mostly clear. High 88°, low 68°.

Pressure29.74 inHg
Wind5.2 mph N
Humidity41%
Visibility6.2 mi
Dew point65°
Mon, 10104° / 67°0.02Light rain
104 °Light rain

Alsen, Monday, 10 August

Light rain. High 104°, low 67°.

Pressure29.77 inHg
Wind12.1 mph E
Humidity43%
Visibility6.2 mi
Dew point67°
Tue, 11100° / 65°0Overcast
100 °Overcast

Alsen, Tuesday, 11 August

Overcast. High 100°, low 65°.

Pressure29.77 inHg
Wind12.2 mph NE
Humidity38%
Visibility6.2 mi
Dew point62°
Wed, 1294° / 66°0.38Rain
94 °Rain

Alsen, Wednesday, 12 August

Rain. High 94°, low 66°.

Pressure29.88 inHg
Wind7.4 mph E
Humidity42%
Visibility6.2 mi
Dew point61°
Thu, 1375° / 62°0.27Rain
75 °Rain

Alsen, Thursday, 13 August

Rain. High 75°, low 62°.

Pressure30.00 inHg
Wind12.4 mph E
Humidity66%
Visibility—
Dew point57°
Fri, 1484° / 58°0.05Light rain
84 °Light rain

Alsen, Friday, 14 August

Light rain. High 84°, low 58°.

Pressure30.09 inHg
Wind12.7 mph S
Humidity38%
Visibility—
Dew point50°
Sat, 1573° / 63°0Overcast
73 °Overcast

Alsen, Saturday, 15 August

Overcast. High 73°, low 63°.

Pressure30.15 inHg
Wind13 mph SE
Humidity65%
Visibility—
Dew point59°
Sun, 1685° / 61°0Overcast
85 °Overcast

Alsen, Sunday, 16 August

Overcast. High 85°, low 61°.

Pressure30.09 inHg
Wind11.2 mph SW
Humidity64%
Visibility—
Dew point61°
Mon, 1788° / 63°0Partly cloudy
88 °Partly cloudy

Alsen, Monday, 17 August

Partly cloudy. High 88°, low 63°.

Pressure29.97 inHg
Wind12.4 mph S
Humidity50%
Visibility—
Dew point63°
Tue, 1899° / 64°0.05Light rain
99 °Light rain

Alsen, Tuesday, 18 August

Light rain. High 99°, low 64°.

Pressure29.94 inHg
Wind7.2 mph W
Humidity33%
Visibility—
Dew point55°
Wed, 1985° / 59°0.07Light rain
85 °Light rain

Alsen, Wednesday, 19 August

Light rain. High 85°, low 59°.

Pressure30.09 inHg
Wind16.9 mph NE
Humidity36%
Visibility—
Dew point47°
Thu, 2067° / 56°0.07Light rain
67 °Light rain

Alsen, Thursday, 20 August

Light rain. High 67°, low 56°.

Pressure30.15 inHg
Wind9.5 mph S
Humidity89%
Visibility—
Dew point54°
Fri, 2182° / 52°0Overcast
82 °Overcast

Alsen, Friday, 21 August

Overcast. High 82°, low 52°.

Pressure29.94 inHg
Wind17.6 mph S
Humidity31%
Visibility—
Dew point42°
Sat, 2294° / 59°0.04Light rain
94 °Light rain

Alsen, Saturday, 22 August

Light rain. High 94°, low 59°.

Pressure29.80 inHg
Wind14.5 mph NW
Humidity31%
Visibility—
Dew point50°
Sun, 2392° / 59°0.02Light rain
92 °Light rain

Alsen, Sunday, 23 August

Light rain. High 92°, low 59°.

Pressure29.94 inHg
Wind6.4 mph N
Humidity20%
Visibility—
Dew point37°

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 Alsen, 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 Alsen, 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.