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As of 14:29 CDT

Weather in Argonne, SD

81°Current weather

Argonne, Saturday, 8 August, 14:29

Clear. Feels like 82°. High 85°, low 56°.

Pressure29.91 inHg
Wind13.3 mph S
Humidity48%
Visibility6.2 mi
Dew point56°
Sun, 0984° / 66°0.08Rain
84 °Rain

Argonne, Sunday, 9 August

Rain. High 84°, low 66°.

Pressure29.77 inHg
Wind11.1 mph NE
Humidity46%
Visibility6.2 mi
Dew point64°
Mon, 10100° / 62°0.19Rain
100 °Rain

Argonne, Monday, 10 August

Rain. High 100°, low 62°.

Pressure29.80 inHg
Wind6.2 mph SE
Humidity33%
Visibility6.2 mi
Dew point57°
Tue, 1195° / 65°0.17Rain
95 °Rain

Argonne, Tuesday, 11 August

Rain. High 95°, low 65°.

Pressure29.83 inHg
Wind8 mph NE
Humidity43%
Visibility6.2 mi
Dew point62°
Wed, 1296° / 69°0Light rain
96 °Light rain

Argonne, Wednesday, 12 August

Light rain. High 96°, low 69°.

Pressure29.83 inHg
Wind3 mph SE
Humidity36%
Visibility6.2 mi
Dew point61°
Thu, 1384° / 61°0.01Light rain
84 °Light rain

Argonne, Thursday, 13 August

Light rain. High 84°, low 61°.

Pressure30.03 inHg
Wind14.3 mph E
Humidity30%
Visibility—
Dew point45°
Fri, 1487° / 59°0Clear
87 °Clear

Argonne, Friday, 14 August

Clear. High 87°, low 59°.

Pressure30.12 inHg
Wind13.3 mph SE
Humidity31%
Visibility—
Dew point47°
Sat, 1583° / 64°0.05Light rain
83 °Light rain

Argonne, Saturday, 15 August

Light rain. High 83°, low 64°.

Pressure30.09 inHg
Wind16.3 mph S
Humidity68%
Visibility—
Dew point57°
Sun, 1693° / 67°0.53Heavy rain
93 °Heavy rain

Argonne, Sunday, 16 August

Heavy rain. High 93°, low 67°.

Pressure29.91 inHg
Wind16.6 mph E
Humidity43%
Visibility—
Dew point64°
Mon, 1788° / 65°0.04Light rain
88 °Light rain

Argonne, Monday, 17 August

Light rain. High 88°, low 65°.

Pressure30.00 inHg
Wind9.3 mph E
Humidity46%
Visibility—
Dew point60°
Tue, 1899° / 68°0Clear
99 °Clear

Argonne, Tuesday, 18 August

Clear. High 99°, low 68°.

Pressure29.91 inHg
Wind10 mph SW
Humidity38%
Visibility—
Dew point60°
Wed, 1981° / 67°0.03Light rain
81 °Light rain

Argonne, Wednesday, 19 August

Light rain. High 81°, low 67°.

Pressure29.91 inHg
Wind20 mph NE
Humidity40%
Visibility—
Dew point53°
Thu, 2088° / 61°0Partly cloudy
88 °Partly cloudy

Argonne, Thursday, 20 August

Partly cloudy. High 88°, low 61°.

Pressure29.97 inHg
Wind8.1 mph E
Humidity37%
Visibility—
Dew point53°
Fri, 2193° / 64°0Clear
93 °Clear

Argonne, Friday, 21 August

Clear. High 93°, low 64°.

Pressure29.85 inHg
Wind14.7 mph S
Humidity26%
Visibility—
Dew point49°
Sat, 2280° / 59°0Overcast
80 °Overcast

Argonne, Saturday, 22 August

Overcast. High 80°, low 59°.

Pressure30.09 inHg
Wind19.4 mph NE
Humidity40%
Visibility—
Dew point47°
Sun, 2382° / 51°0Partly cloudy
82 °Partly cloudy

Argonne, Sunday, 23 August

Partly cloudy. High 82°, low 51°.

Pressure30.15 inHg
Wind10.7 mph E
Humidity26%
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 Argonne, 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 Argonne, 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.