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As of 15:22 CDT

Weather in Walnut Hill, IL

66°Current weather

Walnut Hill, Sunday, 18 October, 15:22

Clear. Feels like 64°. High 66°, low 37°.

Pressure30.42 inHg
Wind6.9 mph S
Humidity36%
Visibility6.2 mi
Dew point39°
Mon, 1968° / 40°0Partly cloudy
68 °Partly cloudy

Walnut Hill, Monday, 19 October

Partly cloudy. High 68°, low 40°.

Pressure30.39 inHg
Wind2.6 mph SW
Humidity52%
Visibility6.2 mi
Dew point46°
Tue, 2068° / 46°0Clear
68 °Clear

Walnut Hill, Tuesday, 20 October

Clear. High 68°, low 46°.

Pressure30.36 inHg
Wind1.8 mph NE
Humidity53%
Visibility6.2 mi
Dew point48°
Wed, 2169° / 45°0Clear
69 °Clear

Walnut Hill, Wednesday, 21 October

Clear. High 69°, low 45°.

Pressure30.30 inHg
Wind1.4 mph N
Humidity49%
Visibility6.2 mi
Dew point48°
Thu, 2270° / 47°0Clear
70 °Clear

Walnut Hill, Thursday, 22 October

Clear. High 70°, low 47°.

Pressure30.27 inHg
Wind3 mph NE
Humidity55%
Visibility6.2 mi
Dew point49°
Fri, 2369° / 50°0Clear
69 °Clear

Walnut Hill, Friday, 23 October

Clear. High 69°, low 50°.

Pressure30.27 inHg
Wind7.9 mph E
Humidity50%
Visibility—
Dew point46°
Sat, 2477° / 51°0Overcast
77 °Overcast

Walnut Hill, Saturday, 24 October

Overcast. High 77°, low 51°.

Pressure30.33 inHg
Wind9 mph S
Humidity40%
Visibility—
Dew point45°
Sun, 2578° / 58°0Overcast
78 °Overcast

Walnut Hill, Sunday, 25 October

Overcast. High 78°, low 58°.

Pressure30.33 inHg
Wind11.2 mph SW
Humidity25%
Visibility—
Dew point37°
Mon, 2675° / 58°0Overcast
75 °Overcast

Walnut Hill, Monday, 26 October

Overcast. High 75°, low 58°.

Pressure30.30 inHg
Wind6.2 mph SW
Humidity30%
Visibility—
Dew point38°
Tue, 2775° / 57°0Overcast
75 °Overcast

Walnut Hill, Tuesday, 27 October

Overcast. High 75°, low 57°.

Pressure30.27 inHg
Wind5.6 mph E
Humidity32%
Visibility—
Dew point40°
Wed, 2875° / 59°0.14Light rain
75 °Light rain

Walnut Hill, Wednesday, 28 October

Light rain. High 75°, low 59°.

Pressure30.00 inHg
Wind14.9 mph S
Humidity77%
Visibility—
Dew point59°
Thu, 2982° / 64°0.04Light rain
82 °Light rain

Walnut Hill, Thursday, 29 October

Light rain. High 82°, low 64°.

Pressure29.80 inHg
Wind13.7 mph W
Humidity59%
Visibility—
Dew point61°
Fri, 3084° / 63°0.01Light rain
84 °Light rain

Walnut Hill, Friday, 30 October

Light rain. High 84°, low 63°.

Pressure29.74 inHg
Wind18.6 mph SE
Humidity45%
Visibility—
Dew point57°
Sat, 3170° / 50°0.44Rain
70 °Rain

Walnut Hill, Saturday, 31 October

Rain. High 70°, low 50°.

Pressure29.83 inHg
Wind18.6 mph W
Humidity34%
Visibility—
Dew point33°
Sun, 0156° / 41°0Clear
56 °Clear

Walnut Hill, Sunday, 1 November

Clear. High 56°, low 41°.

Pressure30.27 inHg
Wind12 mph NW
Humidity31%
Visibility—
Dew point23°
Mon, 0261° / 39°0Clear
61 °Clear

Walnut Hill, Monday, 2 November

Clear. High 61°, low 39°.

Pressure30.42 inHg
Wind8 mph SE
Humidity28%
Visibility—
Dew point23°

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 Walnut Hill, 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 Walnut Hill, 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.