As of 05:04 CDT

Weather in St. Charles, SD

47°Current weather

St. Charles, Sunday, 18 October, 05:04

Clear. Feels like 40°. High 69°, low 46°.

Pressure29.94 inHg
Wind17.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point34°
Mon, 1962° / 43°0Mostly clear
62 °Mostly clear

St. Charles, Monday, 19 October

Mostly clear. High 62°, low 43°.

Pressure30.21 inHg
Wind5.6 mph E
Humidity66%
Visibility6.2 mi
Dew point45°
Tue, 2067° / 47°0Clear
67 °Clear

St. Charles, Tuesday, 20 October

Clear. High 67°, low 47°.

Pressure30.15 inHg
Wind11.3 mph S
Humidity63%
Visibility6.2 mi
Dew point49°
Wed, 2169° / 52°0Clear
69 °Clear

St. Charles, Wednesday, 21 October

Clear. High 69°, low 52°.

Pressure30.12 inHg
Wind2.8 mph NW
Humidity63%
Visibility6.2 mi
Dew point53°
Thu, 2273° / 50°0Partly cloudy
73 °Partly cloudy

St. Charles, Thursday, 22 October

Partly cloudy. High 73°, low 50°.

Pressure30.12 inHg
Wind15.4 mph SE
Humidity60%
Visibility—
Dew point53°
Fri, 2374° / 59°0Overcast
74 °Overcast

St. Charles, Friday, 23 October

Overcast. High 74°, low 59°.

Pressure29.83 inHg
Wind22.4 mph S
Humidity51%
Visibility—
Dew point49°
Sat, 2457° / 43°0.02Light rain
57 °Light rain

St. Charles, Saturday, 24 October

Light rain. High 57°, low 43°.

Pressure30.27 inHg
Wind23.2 mph NW
Humidity42%
Visibility—
Dew point33°
Sun, 2560° / 37°0Mostly clear
60 °Mostly clear

St. Charles, Sunday, 25 October

Mostly clear. High 60°, low 37°.

Pressure30.45 inHg
Wind16.5 mph S
Humidity31%
Visibility—
Dew point22°
Mon, 2667° / 45°0Partly cloudy
67 °Partly cloudy

St. Charles, Monday, 26 October

Partly cloudy. High 67°, low 45°.

Pressure30.03 inHg
Wind17.1 mph S
Humidity50%
Visibility—
Dew point41°
Tue, 2770° / 45°0Partly cloudy
70 °Partly cloudy

St. Charles, Tuesday, 27 October

Partly cloudy. High 70°, low 45°.

Pressure29.94 inHg
Wind14.3 mph S
Humidity64%
Visibility—
Dew point49°
Wed, 2868° / 47°0Clear
68 °Clear

St. Charles, Wednesday, 28 October

Clear. High 68°, low 47°.

Pressure29.83 inHg
Wind13.6 mph S
Humidity21%
Visibility—
Dew point22°
Thu, 2966° / 46°0Clear
66 °Clear

St. Charles, Thursday, 29 October

Clear. High 66°, low 46°.

Pressure29.80 inHg
Wind8.5 mph SE
Humidity23%
Visibility—
Dew point22°
Fri, 3065° / 51°0Overcast
65 °Overcast

St. Charles, Friday, 30 October

Overcast. High 65°, low 51°.

Pressure29.62 inHg
Wind14.3 mph NW
Humidity26%
Visibility—
Dew point26°
Sat, 3175° / 49°0Overcast
75 °Overcast

St. Charles, Saturday, 31 October

Overcast. High 75°, low 49°.

Pressure29.56 inHg
Wind8.5 mph SW
Humidity18%
Visibility—
Dew point23°
Sun, 0171° / 54°0Overcast
71 °Overcast

St. Charles, Sunday, 1 November

Overcast. High 71°, low 54°.

Pressure29.91 inHg
Wind12.4 mph N
Humidity21%
Visibility—
Dew point26°
Mon, 0270° / 45°0Partly cloudy
70 °Partly cloudy

St. Charles, Monday, 2 November

Partly cloudy. High 70°, low 45°.

Pressure30.18 inHg
Wind16 mph SE
Humidity28%
Visibility—
Dew point28°

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 St. Charles, 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 St. Charles, 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.