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As of 09:59 CDT

Weather in Green Brier, IL

55°Current weather

Green Brier, Monday, 19 October, 09:59

Clear. Feels like 53°. High 68°, low 40°.

Pressure30.45 inHg
Wind2.1 mph E
Humidity67%
Visibility6.2 mi
Dew point46°
Tue, 2071° / 41°0Clear
71 °Clear

Green Brier, Tuesday, 20 October

Clear. High 71°, low 41°.

Pressure30.36 inHg
Wind2.6 mph E
Humidity46%
Visibility6.2 mi
Dew point45°
Wed, 2170° / 44°0Clear
70 °Clear

Green Brier, Wednesday, 21 October

Clear. High 70°, low 44°.

Pressure30.30 inHg
Wind1.3 mph NW
Humidity49%
Visibility6.2 mi
Dew point47°
Thu, 2270° / 48°0Clear
70 °Clear

Green Brier, Thursday, 22 October

Clear. High 70°, low 48°.

Pressure30.30 inHg
Wind6.9 mph NE
Humidity48%
Visibility6.2 mi
Dew point47°
Fri, 2366° / 47°0Clear
66 °Clear

Green Brier, Friday, 23 October

Clear. High 66°, low 47°.

Pressure30.33 inHg
Wind7 mph E
Humidity48%
Visibility—
Dew point43°
Sat, 2467° / 45°0Overcast
67 °Overcast

Green Brier, Saturday, 24 October

Overcast. High 67°, low 45°.

Pressure30.39 inHg
Wind7.3 mph E
Humidity38%
Visibility—
Dew point36°
Sun, 2576° / 52°0Overcast
76 °Overcast

Green Brier, Sunday, 25 October

Overcast. High 76°, low 52°.

Pressure30.33 inHg
Wind11.8 mph SW
Humidity29%
Visibility—
Dew point38°
Mon, 2671° / 58°0Overcast
71 °Overcast

Green Brier, Monday, 26 October

Overcast. High 71°, low 58°.

Pressure30.24 inHg
Wind8.8 mph S
Humidity34%
Visibility—
Dew point39°
Tue, 2774° / 55°0.17Rain
74 °Rain

Green Brier, Tuesday, 27 October

Rain. High 74°, low 55°.

Pressure30.00 inHg
Wind17 mph W
Humidity28%
Visibility—
Dew point37°
Wed, 2847° / 36°0.04Light rain
47 °Light rain

Green Brier, Wednesday, 28 October

Light rain. High 47°, low 36°.

Pressure30.33 inHg
Wind18.4 mph NW
Humidity26%
Visibility—
Dew point12°
Thu, 2953° / 30°0Clear
53 °Clear

Green Brier, Thursday, 29 October

Clear. High 53°, low 30°.

Pressure30.30 inHg
Wind6.4 mph S
Humidity22%
Visibility—
Dew point10°
Fri, 3055° / 36°0Overcast
55 °Overcast

Green Brier, Friday, 30 October

Overcast. High 55°, low 36°.

Pressure30.09 inHg
Wind11.3 mph S
Humidity21%
Visibility—
Dew point10°
Sat, 3151° / 45°0.44Rain
51 °Rain

Green Brier, Saturday, 31 October

Rain. High 51°, low 45°.

Pressure30.15 inHg
Wind10.4 mph SE
Humidity87%
Visibility—
Dew point43°
Sun, 0164° / 48°0.31Rain
64 °Rain

Green Brier, Sunday, 1 November

Rain. High 64°, low 48°.

Pressure29.94 inHg
Wind17 mph NW
Humidity65%
Visibility—
Dew point49°
Mon, 0252° / 42°0Overcast
52 °Overcast

Green Brier, Monday, 2 November

Overcast. High 52°, low 42°.

Pressure30.12 inHg
Wind17.2 mph NW
Humidity46%
Visibility—
Dew point30°
Tue, 0349° / 39°0.01Light rain
49 °Light rain

Green Brier, Tuesday, 3 November

Light rain. High 49°, low 39°.

Pressure30.00 inHg
Wind7.3 mph N
Humidity60%
Visibility—
Dew point35°

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.