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As of 00:31 CDT

Weather in Deer Grove, IL

43°Current weather

Deer Grove, Tuesday, 20 October, 00:31

Mostly clear. Feels like 43°. High 70°, low 42°.

Pressure30.33 inHg
Wind0 mph N
Humidity81%
Visibility6.2 mi
Dew point37°
Wed, 2171° / 44°0Clear
71 °Clear

Deer Grove, Wednesday, 21 October

Clear. High 71°, low 44°.

Pressure30.27 inHg
Wind3.6 mph SW
Humidity49%
Visibility6.2 mi
Dew point47°
Thu, 2271° / 48°0Clear
71 °Clear

Deer Grove, Thursday, 22 October

Clear. High 71°, low 48°.

Pressure30.30 inHg
Wind3.8 mph E
Humidity58%
Visibility6.2 mi
Dew point53°
Fri, 2367° / 48°0Mostly clear
67 °Mostly clear

Deer Grove, Friday, 23 October

Mostly clear. High 67°, low 48°.

Pressure30.33 inHg
Wind6.3 mph SE
Humidity63%
Visibility6.2 mi
Dew point50°
Sat, 2466° / 48°0Overcast
66 °Overcast

Deer Grove, Saturday, 24 October

Overcast. High 66°, low 48°.

Pressure30.36 inHg
Wind9.5 mph S
Humidity51%
Visibility—
Dew point44°
Sun, 2568° / 51°0.01Light rain
68 °Light rain

Deer Grove, Sunday, 25 October

Light rain. High 68°, low 51°.

Pressure30.36 inHg
Wind8 mph SW
Humidity56%
Visibility—
Dew point49°
Mon, 2658° / 48°0Overcast
58 °Overcast

Deer Grove, Monday, 26 October

Overcast. High 58°, low 48°.

Pressure30.30 inHg
Wind10.1 mph NE
Humidity36%
Visibility—
Dew point29°
Tue, 2748° / 34°0.17Light rain
48 °Light rain

Deer Grove, Tuesday, 27 October

Light rain. High 48°, low 34°.

Pressure30.33 inHg
Wind18 mph NW
Humidity43%
Visibility—
Dew point25°
Wed, 2841° / 27°0Clear
41 °Clear

Deer Grove, Wednesday, 28 October

Clear. High 41°, low 27°.

Pressure30.50 inHg
Wind10.6 mph NW
Humidity37%
Visibility—
Dew point13°
Thu, 2949° / 29°0Partly cloudy
49 °Partly cloudy

Deer Grove, Thursday, 29 October

Partly cloudy. High 49°, low 29°.

Pressure30.24 inHg
Wind10.2 mph W
Humidity35%
Visibility—
Dew point18°
Fri, 3056° / 36°0Clear
56 °Clear

Deer Grove, Friday, 30 October

Clear. High 56°, low 36°.

Pressure30.09 inHg
Wind10.7 mph SW
Humidity34%
Visibility—
Dew point24°
Sat, 3162° / 42°0Partly cloudy
62 °Partly cloudy

Deer Grove, Saturday, 31 October

Partly cloudy. High 62°, low 42°.

Pressure30.12 inHg
Wind10.1 mph S
Humidity39%
Visibility—
Dew point32°
Sun, 0159° / 49°0.01Light rain
59 °Light rain

Deer Grove, Sunday, 1 November

Light rain. High 59°, low 49°.

Pressure30.09 inHg
Wind12 mph S
Humidity37%
Visibility—
Dew point32°
Mon, 0254° / 50°0.05Light rain
54 °Light rain

Deer Grove, Monday, 2 November

Light rain. High 54°, low 50°.

Pressure29.94 inHg
Wind9.3 mph NW
Humidity82%
Visibility—
Dew point48°
Tue, 0358° / 45°0Mostly clear
58 °Mostly clear

Deer Grove, Tuesday, 3 November

Mostly clear. High 58°, low 45°.

Pressure29.97 inHg
Wind11.2 mph NW
Humidity61%
Visibility—
Dew point42°
Wed, 0456° / 41°0Partly cloudy
56 °Partly cloudy

Deer Grove, Wednesday, 4 November

Partly cloudy. High 56°, low 41°.

Pressure30.12 inHg
Wind4.4 mph NE
Humidity46%
Visibility—
Dew point33°

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 Deer Grove, 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 Deer Grove, 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.