As of 16:25 CDT

Weather in Argonne, SD

56°Current weather

Argonne, Tuesday, 13 October, 16:25

Overcast. Feels like 55°. High 56°, low 44°.

Pressure29.97 inHg
Wind9.6 mph NW
Humidity64%
Visibility6.2 mi
Dew point44°

Monthly outlook for Argonne, SD: average high 58.5°, average low 43.4°. That is 1.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 22 October (69°), the coolest 28 October (32.1°).

58.5°/43.4°
Average high / low
+1.1°
Above normal
4 / 3
Wet days / normal
1.2 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
13 October – 22 October61.2°57.7°+2°
23 October – 1 November53.9°53.1°+0.4°
2 November – 11 Novemberat normal47°—

October records over 66 years

89.6°3 October 2025All-time high
10.4°27 October 2020All-time low

Climate normals and records are computed from the nearest reference point — Carthage (8 mi).

Wed, 1455° / 41°0.02Light rain
55 °Light rain

Argonne, Wednesday, 14 October

Light rain. High 55°, low 41°.

Pressure30.24 inHg
Wind2.5 mph E
Humidity62%
Visibility6.2 mi
Dew point42°
Thu, 1560° / 47°0.24Rain
60 °Rain

Argonne, Thursday, 15 October

Rain. High 60°, low 47°.

Pressure30.18 inHg
Wind8.3 mph NW
Humidity77%
Visibility6.2 mi
Dew point47°
Fri, 1651° / 41°0Clear
51 °Clear

Argonne, Friday, 16 October

Clear. High 51°, low 41°.

Pressure30.68 inHg
Wind14.4 mph N
Humidity56%
Visibility6.2 mi
Dew point31°
Sat, 1763° / 39°0Clear
63 °Clear

Argonne, Saturday, 17 October

Clear. High 63°, low 39°.

Pressure30.24 inHg
Wind16.2 mph S
Humidity45%
Visibility6.2 mi
Dew point31°
Sun, 1859° / 47°0Overcast
59 °Overcast

Argonne, Sunday, 18 October

Overcast. High 59°, low 47°.

Pressure29.91 inHg
Wind15.2 mph S
Humidity47%
Visibility—
Dew point37°
Mon, 1962° / 43°0Clear
62 °Clear

Argonne, Monday, 19 October

Clear. High 62°, low 43°.

Pressure30.18 inHg
Wind8.8 mph SE
Humidity37%
Visibility—
Dew point31°
Tue, 2069° / 46°0Clear
69 °Clear

Argonne, Tuesday, 20 October

Clear. High 69°, low 46°.

Pressure30.06 inHg
Wind17.5 mph S
Humidity53%
Visibility—
Dew point45°
Wed, 2168° / 55°0Light rain
68 °Light rain

Argonne, Wednesday, 21 October

Light rain. High 68°, low 55°.

Pressure29.83 inHg
Wind23.1 mph SE
Humidity65%
Visibility—
Dew point53°
Thu, 2269° / 54°0.39Rain
69 °Rain

Argonne, Thursday, 22 October

Rain. High 69°, low 54°.

Pressure29.50 inHg
Wind21.3 mph SE
Humidity81%
Visibility—
Dew point62°
Fri, 2361° / 47°0.36Rain
61 °Rain

Argonne, Friday, 23 October

Rain. High 61°, low 47°.

Pressure29.88 inHg
Wind15.7 mph W
Humidity46%
Visibility—
Dew point36°
Sat, 2466° / 49°0Clear
66 °Clear

Argonne, Saturday, 24 October

Clear. High 66°, low 49°.

Pressure30.06 inHg
Wind20.1 mph SE
Humidity53%
Visibility—
Dew point44°
Sun, 2555° / 42°0.22Rain
55 °Rain

Argonne, Sunday, 25 October

Rain. High 55°, low 42°.

Pressure29.91 inHg
Wind20.2 mph NW
Humidity97%
Visibility—
Dew point54°
Mon, 2647° / 33°0Mostly clear
47 °Mostly clear

Argonne, Monday, 26 October

Mostly clear. High 47°, low 33°.

Pressure30.21 inHg
Wind13.3 mph NW
Humidity49%
Visibility—
Dew point24°
Tue, 2745° / 35°0Overcast
45 °Overcast

Argonne, Tuesday, 27 October

Overcast. High 45°, low 35°.

Pressure30.30 inHg
Wind11.1 mph NW
Humidity50%
Visibility—
Dew point26°
Wed, 2849° / 32°0Overcast
49 °Overcast

Argonne, Wednesday, 28 October

Overcast. High 49°, low 32°.

Pressure30.21 inHg
Wind6.1 mph E
Humidity46%
Visibility—
Dew point25°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 2952° / 37°0.06Climate normal
52 °Climate normal

Argonne, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.06 in
Chance of precipitation22%
Record high68° (1978)
Record low19° (1991)
Fri, 3051° / 37°0.1Climate normal
51 °Climate normal

Argonne, Friday, 30 October

Climate normal for this date — 60-year average.

Average high51°
Average low37°
Average precipitation0.1 in
Chance of precipitation33%
Record high70° (1965)
Record low17° (1991)
Sat, 3151° / 35°0.05Climate normal
51 °Climate normal

Argonne, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high51°
Average low35°
Average precipitation0.05 in
Chance of precipitation17%
Record high72° (1990)
Record low15° (2019)
Sun, 0150° / 35°0.05Climate normal
50 °Climate normal

Argonne, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high50°
Average low35°
Average precipitation0.05 in
Chance of precipitation25%
Record high71° (1990)
Record low17° (2002)
Mon, 0249° / 34°0.04Climate normal
49 °Climate normal

Argonne, Monday, 2 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.04 in
Chance of precipitation10%
Record high72° (2022)
Record low10° (1991)
Tue, 0349° / 34°0.02Climate normal
49 °Climate normal

Argonne, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.02 in
Chance of precipitation13%
Record high73° (1978)
Record low7° (1991)
Wed, 0449° / 32°0.01Climate normal
49 °Climate normal

Argonne, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high49°
Average low32°
Average precipitation0.01 in
Chance of precipitation8%
Record high70° (2015)
Record low-5° (1991)
Thu, 0549° / 33°0.04Climate normal
49 °Climate normal

Argonne, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high49°
Average low33°
Average precipitation0.04 in
Chance of precipitation23%
Record high73° (2001)
Record low12° (2003)
Fri, 0648° / 33°0.03Climate normal
48 °Climate normal

Argonne, Friday, 6 November

Climate normal for this date — 60-year average.

Average high48°
Average low33°
Average precipitation0.03 in
Chance of precipitation17%
Record high76° (2020)
Record low2° (2003)
Sat, 0749° / 32°0.02Climate normal
49 °Climate normal

Argonne, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high49°
Average low32°
Average precipitation0.02 in
Chance of precipitation12%
Record high73° (2020)
Record low3° (1991)
Sun, 0847° / 32°0.06Climate normal
47 °Climate normal

Argonne, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high47°
Average low32°
Average precipitation0.06 in
Chance of precipitation17%
Record high73° (1999)
Record low9° (1991)
Mon, 0945° / 31°0.09Climate normal
45 °Climate normal

Argonne, Monday, 9 November

Climate normal for this date — 60-year average.

Average high45°
Average low31°
Average precipitation0.09 in
Chance of precipitation22%
Record high67° (1999)
Record low10° (2018)
Tue, 1043° / 28°0.05Climate normal
43 °Climate normal

Argonne, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high43°
Average low28°
Average precipitation0.05 in
Chance of precipitation22%
Record high64° (2016)
Record low3° (1986)
Wed, 1142° / 27°0.03Climate normal
42 °Climate normal

Argonne, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high42°
Average low27°
Average precipitation0.03 in
Chance of precipitation15%
Record high66° (2005)
Record low-5° (1986)

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.