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As of 13:18 CDT

Weather in Mountain Glen, IL

57°Current weather

Mountain Glen, Friday, 16 October, 13:18

Overcast. Feels like 55°. High 67°, low 52°.

Pressure30.21 inHg
Wind15.2 mph NW
Humidity60%
Visibility6.2 mi
Dew point43°
Sat, 1760° / 48°0Clear
60 °Clear

Mountain Glen, Saturday, 17 October

Clear. High 60°, low 48°.

Pressure30.53 inHg
Wind7.8 mph NE
Humidity50%
Visibility6.2 mi
Dew point38°
Sun, 1865° / 43°0Clear
65 °Clear

Mountain Glen, Sunday, 18 October

Clear. High 65°, low 43°.

Pressure30.50 inHg
Wind5.4 mph SE
Humidity43%
Visibility6.2 mi
Dew point38°
Mon, 1970° / 44°0Clear
70 °Clear

Mountain Glen, Monday, 19 October

Clear. High 70°, low 44°.

Pressure30.36 inHg
Wind0.9 mph NE
Humidity41%
Visibility6.2 mi
Dew point42°
Tue, 2071° / 47°0Clear
71 °Clear

Mountain Glen, Tuesday, 20 October

Clear. High 71°, low 47°.

Pressure30.33 inHg
Wind3.4 mph NE
Humidity46%
Visibility6.2 mi
Dew point45°
Wed, 2173° / 48°0Clear
73 °Clear

Mountain Glen, Wednesday, 21 October

Clear. High 73°, low 48°.

Pressure30.27 inHg
Wind5.5 mph E
Humidity35%
Visibility—
Dew point40°
Thu, 2277° / 52°0Partly cloudy
77 °Partly cloudy

Mountain Glen, Thursday, 22 October

Partly cloudy. High 77°, low 52°.

Pressure30.15 inHg
Wind4.9 mph SW
Humidity24%
Visibility—
Dew point33°
Fri, 2380° / 57°0Clear
80 °Clear

Mountain Glen, Friday, 23 October

Clear. High 80°, low 57°.

Pressure30.15 inHg
Wind6.1 mph E
Humidity28%
Visibility—
Dew point41°
Sat, 2473° / 53°0Overcast
73 °Overcast

Mountain Glen, Saturday, 24 October

Overcast. High 73°, low 53°.

Pressure30.21 inHg
Wind7.1 mph NE
Humidity45%
Visibility—
Dew point47°
Sun, 2571° / 50°0Overcast
71 °Overcast

Mountain Glen, Sunday, 25 October

Overcast. High 71°, low 50°.

Pressure30.15 inHg
Wind5.5 mph E
Humidity29%
Visibility—
Dew point34°
Mon, 2677° / 52°0Overcast
77 °Overcast

Mountain Glen, Monday, 26 October

Overcast. High 77°, low 52°.

Pressure30.12 inHg
Wind8.9 mph S
Humidity30%
Visibility—
Dew point38°
Tue, 2778° / 56°0Partly cloudy
78 °Partly cloudy

Mountain Glen, Tuesday, 27 October

Partly cloudy. High 78°, low 56°.

Pressure30.18 inHg
Wind5.8 mph S
Humidity29%
Visibility—
Dew point39°
Wed, 2876° / 62°0Overcast
76 °Overcast

Mountain Glen, Wednesday, 28 October

Overcast. High 76°, low 62°.

Pressure30.09 inHg
Wind12.6 mph S
Humidity47%
Visibility—
Dew point52°
Thu, 2980° / 62°0Overcast
80 °Overcast

Mountain Glen, Thursday, 29 October

Overcast. High 80°, low 62°.

Pressure30.03 inHg
Wind13.5 mph S
Humidity52%
Visibility—
Dew point56°
Fri, 3084° / 64°0.04Light rain
84 °Light rain

Mountain Glen, Friday, 30 October

Light rain. High 84°, low 64°.

Pressure30.03 inHg
Wind9.3 mph SE
Humidity44%
Visibility—
Dew point54°
Sat, 3180° / 64°0.01Light rain
80 °Light rain

Mountain Glen, Saturday, 31 October

Light rain. High 80°, low 64°.

Pressure29.97 inHg
Wind10.5 mph SE
Humidity52%
Visibility—
Dew point58°

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.