As of 23:30 CDT

Weather in St. Charles, IA

59°Current weather

St. Charles, Thursday, 22 October, 23:30

Clear. Feels like 59°. High 77°, low 50°.

Pressure30.18 inHg
Wind6.5 mph S
Humidity84%
Visibility6.2 mi
Dew point55°
Fri, 2376° / 53°0Partly cloudy
76 °Partly cloudy

St. Charles, Friday, 23 October

Partly cloudy. High 76°, low 53°.

Pressure30.15 inHg
Wind9.6 mph S
Humidity50%
Visibility6.2 mi
Dew point51°
Sat, 2475° / 55°0Clear
75 °Clear

St. Charles, Saturday, 24 October

Clear. High 75°, low 55°.

Pressure30.21 inHg
Wind10.6 mph S
Humidity52%
Visibility6.2 mi
Dew point52°
Sun, 2574° / 54°0Overcast
74 °Overcast

St. Charles, Sunday, 25 October

Overcast. High 74°, low 54°.

Pressure30.33 inHg
Wind1.8 mph W
Humidity64%
Visibility6.2 mi
Dew point56°
Mon, 2673° / 55°0Overcast
73 °Overcast

St. Charles, Monday, 26 October

Overcast. High 73°, low 55°.

Pressure30.30 inHg
Wind6.1 mph E
Humidity68%
Visibility6.2 mi
Dew point55°
Tue, 2771° / 55°0.07Light rain
71 °Light rain

St. Charles, Tuesday, 27 October

Light rain. High 71°, low 55°.

Pressure30.18 inHg
Wind11.1 mph S
Humidity49%
Visibility—
Dew point48°
Wed, 2871° / 56°0.02Light rain
71 °Light rain

St. Charles, Wednesday, 28 October

Light rain. High 71°, low 56°.

Pressure29.94 inHg
Wind17.9 mph S
Humidity57%
Visibility—
Dew point49°
Thu, 2964° / 49°1.43Rain
64 °Rain

St. Charles, Thursday, 29 October

Rain. High 64°, low 49°.

Pressure30.15 inHg
Wind13.1 mph SW
Humidity92%
Visibility—
Dew point49°
Fri, 3057° / 49°0.38Rain
57 °Rain

St. Charles, Friday, 30 October

Rain. High 57°, low 49°.

Pressure30.09 inHg
Wind10.4 mph SE
Humidity94%
Visibility—
Dew point50°
Sat, 3159° / 56°0.62Rain
59 °Rain

St. Charles, Saturday, 31 October

Rain. High 59°, low 56°.

Pressure29.74 inHg
Wind17.6 mph S
Humidity95%
Visibility—
Dew point56°
Sun, 0158° / 45°0.03Light rain
58 °Light rain

St. Charles, Sunday, 1 November

Light rain. High 58°, low 45°.

Pressure30.06 inHg
Wind12.9 mph NW
Humidity56%
Visibility—
Dew point39°
Mon, 0259° / 45°0Overcast
59 °Overcast

St. Charles, Monday, 2 November

Overcast. High 59°, low 45°.

Pressure30.15 inHg
Wind12.3 mph NW
Humidity49%
Visibility—
Dew point37°
Tue, 0346° / 38°0Overcast
46 °Overcast

St. Charles, Tuesday, 3 November

Overcast. High 46°, low 38°.

Pressure30.39 inHg
Wind13.6 mph N
Humidity60%
Visibility—
Dew point32°
Wed, 0452° / 41°0Partly cloudy
52 °Partly cloudy

St. Charles, Wednesday, 4 November

Partly cloudy. High 52°, low 41°.

Pressure30.18 inHg
Wind14.2 mph NW
Humidity51%
Visibility—
Dew point32°
Thu, 0557° / 38°0Partly cloudy
57 °Partly cloudy

St. Charles, Thursday, 5 November

Partly cloudy. High 57°, low 38°.

Pressure30.09 inHg
Wind13.9 mph W
Humidity45%
Visibility—
Dew point32°
Fri, 0667° / 47°0Clear
67 °Clear

St. Charles, Friday, 6 November

Clear. High 67°, low 47°.

Pressure29.94 inHg
Wind9.2 mph NW
Humidity48%
Visibility—
Dew point42°

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, IA 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, IA 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.