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As of 02:33 CDT

Weather in Mountain Glen, IL

48°Current weather

Mountain Glen, Tuesday, 20 October, 02:33

Overcast. Feels like 47°. High 73°, low 45°.

Pressure30.33 inHg
Wind3.1 mph E
Humidity84%
Visibility6.2 mi
Dew point43°
Wed, 2173° / 43°0Clear
73 °Clear

Mountain Glen, Wednesday, 21 October

Clear. High 73°, low 43°.

Pressure30.27 inHg
Wind2.3 mph N
Humidity42%
Visibility6.2 mi
Dew point46°
Thu, 2274° / 49°0Clear
74 °Clear

Mountain Glen, Thursday, 22 October

Clear. High 74°, low 49°.

Pressure30.27 inHg
Wind3.8 mph N
Humidity43%
Visibility6.2 mi
Dew point47°
Fri, 2371° / 52°0Clear
71 °Clear

Mountain Glen, Friday, 23 October

Clear. High 71°, low 52°.

Pressure30.30 inHg
Wind4.9 mph E
Humidity48%
Visibility6.2 mi
Dew point48°
Sat, 2474° / 49°0Overcast
74 °Overcast

Mountain Glen, Saturday, 24 October

Overcast. High 74°, low 49°.

Pressure30.36 inHg
Wind6.8 mph E
Humidity38%
Visibility—
Dew point42°
Sun, 2576° / 54°0Overcast
76 °Overcast

Mountain Glen, Sunday, 25 October

Overcast. High 76°, low 54°.

Pressure30.42 inHg
Wind6.8 mph SE
Humidity39%
Visibility—
Dew point45°
Mon, 2676° / 58°0Overcast
76 °Overcast

Mountain Glen, Monday, 26 October

Overcast. High 76°, low 58°.

Pressure30.27 inHg
Wind8.1 mph SW
Humidity30%
Visibility—
Dew point38°
Tue, 2765° / 45°0.01Light rain
65 °Light rain

Mountain Glen, Tuesday, 27 October

Light rain. High 65°, low 45°.

Pressure30.18 inHg
Wind16.1 mph N
Humidity78%
Visibility—
Dew point53°
Wed, 2847° / 32°0Clear
47 °Clear

Mountain Glen, Wednesday, 28 October

Clear. High 47°, low 32°.

Pressure30.47 inHg
Wind14.2 mph N
Humidity21%
Visibility—
Dew point6°
Thu, 2954° / 28°0Clear
54 °Clear

Mountain Glen, Thursday, 29 October

Clear. High 54°, low 28°.

Pressure30.33 inHg
Wind4.8 mph W
Humidity19%
Visibility—
Dew point8°
Fri, 3062° / 35°0Clear
62 °Clear

Mountain Glen, Friday, 30 October

Clear. High 62°, low 35°.

Pressure30.18 inHg
Wind8.2 mph S
Humidity16%
Visibility—
Dew point10°
Sat, 3169° / 45°0Overcast
69 °Overcast

Mountain Glen, Saturday, 31 October

Overcast. High 69°, low 45°.

Pressure30.21 inHg
Wind9.6 mph S
Humidity15%
Visibility—
Dew point12°
Sun, 0174° / 50°0Overcast
74 °Overcast

Mountain Glen, Sunday, 1 November

Overcast. High 74°, low 50°.

Pressure30.15 inHg
Wind13.1 mph S
Humidity25%
Visibility—
Dew point31°
Mon, 0265° / 56°0.42Rain
65 °Rain

Mountain Glen, Monday, 2 November

Rain. High 65°, low 56°.

Pressure29.91 inHg
Wind14.4 mph SW
Humidity71%
Visibility—
Dew point54°
Tue, 0371° / 49°0Clear
71 °Clear

Mountain Glen, Tuesday, 3 November

Clear. High 71°, low 49°.

Pressure30.03 inHg
Wind10.2 mph NW
Humidity48%
Visibility—
Dew point45°
Wed, 0467° / 47°0Clear
67 °Clear

Mountain Glen, Wednesday, 4 November

Clear. High 67°, low 47°.

Pressure30.09 inHg
Wind4.8 mph N
Humidity42%
Visibility—
Dew point41°

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.