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As of 23:30 CDT

Weather in Mountain Glen, IL

44°Current weather

Mountain Glen, Sunday, 18 October, 23:30

Clear. Feels like 42°. High 67°, low 38°.

Pressure30.39 inHg
Wind4.3 mph SE
Humidity84%
Visibility6.2 mi
Dew point40°
Mon, 1970° / 42°0Clear
70 °Clear

Mountain Glen, Monday, 19 October

Clear. High 70°, low 42°.

Pressure30.39 inHg
Wind4.3 mph S
Humidity47%
Visibility6.2 mi
Dew point46°
Tue, 2072° / 45°0Clear
72 °Clear

Mountain Glen, Tuesday, 20 October

Clear. High 72°, low 45°.

Pressure30.36 inHg
Wind1.8 mph NE
Humidity43%
Visibility6.2 mi
Dew point45°
Wed, 2172° / 48°0Clear
72 °Clear

Mountain Glen, Wednesday, 21 October

Clear. High 72°, low 48°.

Pressure30.30 inHg
Wind3.2 mph N
Humidity46%
Visibility6.2 mi
Dew point47°
Thu, 2271° / 49°0Clear
71 °Clear

Mountain Glen, Thursday, 22 October

Clear. High 71°, low 49°.

Pressure30.27 inHg
Wind4.4 mph NE
Humidity51%
Visibility6.2 mi
Dew point48°
Fri, 2370° / 49°0Clear
70 °Clear

Mountain Glen, Friday, 23 October

Clear. High 70°, low 49°.

Pressure30.30 inHg
Wind7.3 mph NE
Humidity46%
Visibility—
Dew point46°
Sat, 2475° / 50°0Overcast
75 °Overcast

Mountain Glen, Saturday, 24 October

Overcast. High 75°, low 50°.

Pressure30.36 inHg
Wind7.1 mph S
Humidity42%
Visibility—
Dew point46°
Sun, 2574° / 56°0Overcast
74 °Overcast

Mountain Glen, Sunday, 25 October

Overcast. High 74°, low 56°.

Pressure30.30 inHg
Wind8.8 mph SW
Humidity27%
Visibility—
Dew point35°
Mon, 2674° / 55°0Overcast
74 °Overcast

Mountain Glen, Monday, 26 October

Overcast. High 74°, low 55°.

Pressure30.21 inHg
Wind9.4 mph S
Humidity31%
Visibility—
Dew point38°
Tue, 2766° / 54°0Overcast
66 °Overcast

Mountain Glen, Tuesday, 27 October

Overcast. High 66°, low 54°.

Pressure30.15 inHg
Wind7.3 mph S
Humidity42%
Visibility—
Dew point41°
Wed, 2874° / 55°0Light rain
74 °Light rain

Mountain Glen, Wednesday, 28 October

Light rain. High 74°, low 55°.

Pressure30.09 inHg
Wind6.6 mph SE
Humidity48%
Visibility—
Dew point50°
Thu, 2975° / 60°0.02Light rain
75 °Light rain

Mountain Glen, Thursday, 29 October

Light rain. High 75°, low 60°.

Pressure30.00 inHg
Wind12.6 mph S
Humidity72%
Visibility—
Dew point60°
Fri, 3070° / 67°0.22Light rain
70 °Light rain

Mountain Glen, Friday, 30 October

Light rain. High 70°, low 67°.

Pressure29.94 inHg
Wind14.5 mph S
Humidity92%
Visibility—
Dew point66°
Sat, 3168° / 63°2.97Heavy rain
68 °Heavy rain

Mountain Glen, Saturday, 31 October

Heavy rain. High 68°, low 63°.

Pressure29.97 inHg
Wind13.6 mph SE
Humidity97%
Visibility—
Dew point64°
Sun, 0169° / 50°0.81Heavy rain
69 °Heavy rain

Mountain Glen, Sunday, 1 November

Heavy rain. High 69°, low 50°.

Pressure30.00 inHg
Wind19.2 mph W
Humidity59%
Visibility—
Dew point42°
Mon, 0264° / 46°0Overcast
64 °Overcast

Mountain Glen, Monday, 2 November

Overcast. High 64°, low 46°.

Pressure30.09 inHg
Wind6 mph SW
Humidity41%
Visibility—
Dew point37°

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 Mountain Glen, 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 Mountain Glen, 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.