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As of 17:00 CDT

Weather in Green Brier, IL

58°Current weather

Green Brier, Saturday, 17 October, 17:00

Clear. Feels like 55°. High 58°, low 41°.

Pressure30.47 inHg
Wind4.8 mph NE
Humidity39%
Visibility6.2 mi
Dew point33°
Sun, 1862° / 38°0Clear
62 °Clear

Green Brier, Sunday, 18 October

Clear. High 62°, low 38°.

Pressure30.50 inHg
Wind7 mph S
Humidity48%
Visibility6.2 mi
Dew point39°
Mon, 1967° / 41°0Clear
67 °Clear

Green Brier, Monday, 19 October

Clear. High 67°, low 41°.

Pressure30.42 inHg
Wind0.4 mph SE
Humidity46%
Visibility6.2 mi
Dew point42°
Tue, 2070° / 43°0Clear
70 °Clear

Green Brier, Tuesday, 20 October

Clear. High 70°, low 43°.

Pressure30.39 inHg
Wind2 mph E
Humidity46%
Visibility6.2 mi
Dew point45°
Wed, 2169° / 47°0Light rain
69 °Light rain

Green Brier, Wednesday, 21 October

Light rain. High 69°, low 47°.

Pressure30.27 inHg
Wind1.2 mph SE
Humidity58%
Visibility6.2 mi
Dew point47°
Thu, 2271° / 46°0Clear
71 °Clear

Green Brier, Thursday, 22 October

Clear. High 71°, low 46°.

Pressure30.24 inHg
Wind6.1 mph NE
Humidity45%
Visibility—
Dew point45°
Fri, 2374° / 49°0Partly cloudy
74 °Partly cloudy

Green Brier, Friday, 23 October

Partly cloudy. High 74°, low 49°.

Pressure30.24 inHg
Wind6.6 mph SE
Humidity32%
Visibility—
Dew point37°
Sat, 2473° / 53°0Overcast
73 °Overcast

Green Brier, Saturday, 24 October

Overcast. High 73°, low 53°.

Pressure30.30 inHg
Wind7.7 mph S
Humidity28%
Visibility—
Dew point36°
Sun, 2578° / 56°0Overcast
78 °Overcast

Green Brier, Sunday, 25 October

Overcast. High 78°, low 56°.

Pressure30.24 inHg
Wind14.3 mph SW
Humidity30%
Visibility—
Dew point41°
Mon, 2679° / 60°0Overcast
79 °Overcast

Green Brier, Monday, 26 October

Overcast. High 79°, low 60°.

Pressure30.15 inHg
Wind11.6 mph SW
Humidity34%
Visibility—
Dew point45°
Tue, 2764° / 51°0Overcast
64 °Overcast

Green Brier, Tuesday, 27 October

Overcast. High 64°, low 51°.

Pressure30.24 inHg
Wind13.6 mph NE
Humidity62%
Visibility—
Dew point47°
Wed, 2865° / 42°0Partly cloudy
65 °Partly cloudy

Green Brier, Wednesday, 28 October

Partly cloudy. High 65°, low 42°.

Pressure30.30 inHg
Wind13.1 mph E
Humidity24%
Visibility—
Dew point22°
Thu, 2968° / 51°0.11Light rain
68 °Light rain

Green Brier, Thursday, 29 October

Light rain. High 68°, low 51°.

Pressure30.03 inHg
Wind12.5 mph S
Humidity80%
Visibility—
Dew point53°
Fri, 3077° / 63°0Light rain
77 °Light rain

Green Brier, Friday, 30 October

Light rain. High 77°, low 63°.

Pressure29.94 inHg
Wind20.8 mph S
Humidity49%
Visibility—
Dew point54°
Sat, 3171° / 62°0.41Rain
71 °Rain

Green Brier, Saturday, 31 October

Rain. High 71°, low 62°.

Pressure29.88 inHg
Wind24 mph S
Humidity89%
Visibility—
Dew point65°
Sun, 0178° / 59°0.02Light rain
78 °Light rain

Green Brier, Sunday, 1 November

Light rain. High 78°, low 59°.

Pressure30.15 inHg
Wind10.7 mph S
Humidity77%
Visibility—
Dew point64°

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 Green Brier, 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 Green Brier, 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.