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As of 16:45 CDT

Weather in Walnut Hill, IL

66°Current weather

Walnut Hill, Sunday, 18 October, 16:45

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

Pressure30.39 inHg
Wind3.4 mph SE
Humidity32%
Visibility6.2 mi
Dew point35°
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, 2874° / 59°0Overcast
74 °Overcast

Walnut Hill, Wednesday, 28 October

Overcast. High 74°, low 59°.

Pressure30.21 inHg
Wind7.8 mph S
Humidity36%
Visibility—
Dew point42°
Thu, 2978° / 57°0Overcast
78 °Overcast

Walnut Hill, Thursday, 29 October

Overcast. High 78°, low 57°.

Pressure30.06 inHg
Wind14.5 mph S
Humidity40%
Visibility—
Dew point49°
Fri, 3071° / 61°0.8Rain
71 °Rain

Walnut Hill, Friday, 30 October

Rain. High 71°, low 61°.

Pressure29.94 inHg
Wind13.4 mph SW
Humidity73%
Visibility—
Dew point61°
Sat, 3170° / 58°0.23Rain
70 °Rain

Walnut Hill, Saturday, 31 October

Rain. High 70°, low 58°.

Pressure30.09 inHg
Wind7 mph NE
Humidity63%
Visibility—
Dew point54°
Sun, 0178° / 62°1.15Rain
78 °Rain

Walnut Hill, Sunday, 1 November

Rain. High 78°, low 62°.

Pressure29.88 inHg
Wind15.2 mph SW
Humidity83%
Visibility—
Dew point66°
Mon, 0270° / 50°0.51Rain
70 °Rain

Walnut Hill, Monday, 2 November

Rain. High 70°, low 50°.

Pressure29.94 inHg
Wind16.2 mph N
Humidity89%
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 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.