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As of 02:45 CDT

Weather in Green Brier, IL

45°Current weather

Green Brier, Tuesday, 20 October, 02:45

Overcast. Feels like 44°. High 72°, low 44°.

Pressure30.36 inHg
Wind3.8 mph NE
Humidity87%
Visibility6.2 mi
Dew point42°
Wed, 2173° / 42°0Clear
73 °Clear

Green Brier, Wednesday, 21 October

Clear. High 73°, low 42°.

Pressure30.27 inHg
Wind0.6 mph NW
Humidity44%
Visibility6.2 mi
Dew point46°
Thu, 2272° / 48°0Clear
72 °Clear

Green Brier, Thursday, 22 October

Clear. High 72°, low 48°.

Pressure30.27 inHg
Wind6.3 mph NE
Humidity44%
Visibility6.2 mi
Dew point47°
Fri, 2367° / 48°0Clear
67 °Clear

Green Brier, Friday, 23 October

Clear. High 67°, low 48°.

Pressure30.33 inHg
Wind5.8 mph E
Humidity58%
Visibility6.2 mi
Dew point48°
Sat, 2468° / 44°0Clear
68 °Clear

Green Brier, Saturday, 24 October

Clear. High 68°, low 44°.

Pressure30.39 inHg
Wind6.1 mph E
Humidity39%
Visibility—
Dew point38°
Sun, 2576° / 46°0Overcast
76 °Overcast

Green Brier, Sunday, 25 October

Overcast. High 76°, low 46°.

Pressure30.42 inHg
Wind7.4 mph S
Humidity42%
Visibility—
Dew point44°
Mon, 2674° / 60°0Overcast
74 °Overcast

Green Brier, Monday, 26 October

Overcast. High 74°, low 60°.

Pressure30.24 inHg
Wind8.8 mph SW
Humidity32%
Visibility—
Dew point40°
Tue, 2758° / 42°0.06Light rain
58 °Light rain

Green Brier, Tuesday, 27 October

Light rain. High 58°, low 42°.

Pressure30.21 inHg
Wind15.1 mph N
Humidity84%
Visibility—
Dew point47°
Wed, 2845° / 30°0Clear
45 °Clear

Green Brier, Wednesday, 28 October

Clear. High 45°, low 30°.

Pressure30.45 inHg
Wind13.9 mph N
Humidity24%
Visibility—
Dew point8°
Thu, 2952° / 28°0Clear
52 °Clear

Green Brier, Thursday, 29 October

Clear. High 52°, low 28°.

Pressure30.30 inHg
Wind7.8 mph W
Humidity22%
Visibility—
Dew point10°
Fri, 3060° / 35°0Clear
60 °Clear

Green Brier, Friday, 30 October

Clear. High 60°, low 35°.

Pressure30.18 inHg
Wind9.5 mph SW
Humidity17%
Visibility—
Dew point10°
Sat, 3166° / 45°0Overcast
66 °Overcast

Green Brier, Saturday, 31 October

Overcast. High 66°, low 45°.

Pressure30.21 inHg
Wind10.9 mph S
Humidity13%
Visibility—
Dew point11°
Sun, 0165° / 49°0.01Light rain
65 °Light rain

Green Brier, Sunday, 1 November

Light rain. High 65°, low 49°.

Pressure30.21 inHg
Wind11.4 mph S
Humidity27%
Visibility—
Dew point28°
Mon, 0261° / 53°0.79Rain
61 °Rain

Green Brier, Monday, 2 November

Rain. High 61°, low 53°.

Pressure29.88 inHg
Wind15.4 mph S
Humidity86%
Visibility—
Dew point56°
Tue, 0363° / 48°0Light rain
63 °Light rain

Green Brier, Tuesday, 3 November

Light rain. High 63°, low 48°.

Pressure29.97 inHg
Wind12 mph NW
Humidity56%
Visibility—
Dew point45°
Wed, 0461° / 44°0Clear
61 °Clear

Green Brier, Wednesday, 4 November

Clear. High 61°, low 44°.

Pressure30.09 inHg
Wind4.9 mph N
Humidity44%
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 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.