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As of 16:50 CDT

Weather in Grand Pass, IL

72°Current weather

Grand Pass, Tuesday, 20 October, 16:50

Clear. Feels like 71°. High 73°, low 45°.

Pressure30.27 inHg
Wind3.8 mph SE
Humidity44%
Visibility6.2 mi
Dew point49°
Wed, 2175° / 47°0Mostly clear
75 °Mostly clear

Grand Pass, Wednesday, 21 October

Mostly clear. High 75°, low 47°.

Pressure30.27 inHg
Wind3.9 mph SW
Humidity49%
Visibility6.2 mi
Dew point49°
Thu, 2272° / 47°0Clear
72 °Clear

Grand Pass, Thursday, 22 October

Clear. High 72°, low 47°.

Pressure30.27 inHg
Wind1.3 mph NE
Humidity49%
Visibility6.2 mi
Dew point50°
Fri, 2372° / 51°0Clear
72 °Clear

Grand Pass, Friday, 23 October

Clear. High 72°, low 51°.

Pressure30.30 inHg
Wind7.1 mph SE
Humidity54%
Visibility6.2 mi
Dew point53°
Sat, 2471° / 52°0Overcast
71 °Overcast

Grand Pass, Saturday, 24 October

Overcast. High 71°, low 52°.

Pressure30.33 inHg
Wind6.9 mph S
Humidity55%
Visibility6.2 mi
Dew point50°
Sun, 2575° / 54°0Overcast
75 °Overcast

Grand Pass, Sunday, 25 October

Overcast. High 75°, low 54°.

Pressure30.33 inHg
Wind6.8 mph S
Humidity47%
Visibility—
Dew point49°
Mon, 2676° / 57°0Overcast
76 °Overcast

Grand Pass, Monday, 26 October

Overcast. High 76°, low 57°.

Pressure30.18 inHg
Wind9.7 mph SW
Humidity34%
Visibility—
Dew point43°
Tue, 2758° / 47°0.01Light rain
58 °Light rain

Grand Pass, Tuesday, 27 October

Light rain. High 58°, low 47°.

Pressure30.27 inHg
Wind10.8 mph NW
Humidity79%
Visibility—
Dew point45°
Wed, 2851° / 39°0Overcast
51 °Overcast

Grand Pass, Wednesday, 28 October

Overcast. High 51°, low 39°.

Pressure30.27 inHg
Wind18.8 mph NW
Humidity40%
Visibility—
Dew point26°
Thu, 2957° / 35°0Clear
57 °Clear

Grand Pass, Thursday, 29 October

Clear. High 57°, low 35°.

Pressure30.27 inHg
Wind11.9 mph NW
Humidity37%
Visibility—
Dew point28°
Fri, 3057° / 32°0Clear
57 °Clear

Grand Pass, Friday, 30 October

Clear. High 57°, low 32°.

Pressure30.24 inHg
Wind10 mph SE
Humidity27%
Visibility—
Dew point18°
Sat, 3154° / 40°0.06Light rain
54 °Light rain

Grand Pass, Saturday, 31 October

Light rain. High 54°, low 40°.

Pressure29.94 inHg
Wind12.9 mph S
Humidity35%
Visibility—
Dew point26°
Sun, 0170° / 50°0.36Rain
70 °Rain

Grand Pass, Sunday, 1 November

Rain. High 70°, low 50°.

Pressure29.77 inHg
Wind20.2 mph S
Humidity68%
Visibility—
Dew point57°
Mon, 0264° / 45°0.3Rain
64 °Rain

Grand Pass, Monday, 2 November

Rain. High 64°, low 45°.

Pressure30.18 inHg
Wind18.3 mph N
Humidity43%
Visibility—
Dew point40°
Tue, 0357° / 38°0Clear
57 °Clear

Grand Pass, Tuesday, 3 November

Clear. High 57°, low 38°.

Pressure30.50 inHg
Wind7.5 mph SE
Humidity24%
Visibility—
Dew point17°
Wed, 0455° / 42°0.03Light rain
55 °Light rain

Grand Pass, Wednesday, 4 November

Light rain. High 55°, low 42°.

Pressure30.33 inHg
Wind11.3 mph W
Humidity32%
Visibility—
Dew point25°

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 Grand Pass, IL 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 Grand Pass, IL 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.