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As of 15:14 CDT

Weather in Willow, IL

82°Current weather

Willow, Saturday, 8 August, 15:14

Clear. Feels like 84°. High 82°, low 66°.

Pressure30.03 inHg
Wind1 mph W
Humidity61%
Visibility6.2 mi
Dew point66°
Sun, 0986° / 63°0.48Heavy rain
86 °Heavy rain

Willow, Sunday, 9 August

Heavy rain. High 86°, low 63°.

Pressure29.88 inHg
Wind10 mph SE
Humidity95%
Visibility6.2 mi
Dew point68°
Mon, 1084° / 72°0.07Rain
84 °Rain

Willow, Monday, 10 August

Rain. High 84°, low 72°.

Pressure29.88 inHg
Wind7.2 mph SW
Humidity72%
Visibility6.2 mi
Dew point72°
Tue, 1186° / 69°0.21Rain
86 °Rain

Willow, Tuesday, 11 August

Rain. High 86°, low 69°.

Pressure29.80 inHg
Wind4.1 mph SW
Humidity73%
Visibility6.2 mi
Dew point74°
Wed, 1282° / 67°0.01Light rain
82 °Light rain

Willow, Wednesday, 12 August

Light rain. High 82°, low 67°.

Pressure29.85 inHg
Wind6.3 mph NE
Humidity79%
Visibility6.2 mi
Dew point70°
Thu, 1372° / 60°0.07Light rain
72 °Light rain

Willow, Thursday, 13 August

Light rain. High 72°, low 60°.

Pressure29.97 inHg
Wind11.7 mph NE
Humidity83%
Visibility—
Dew point60°
Fri, 1474° / 57°0Clear
74 °Clear

Willow, Friday, 14 August

Clear. High 74°, low 57°.

Pressure30.21 inHg
Wind5.8 mph NE
Humidity59%
Visibility—
Dew point55°
Sat, 1574° / 55°0Overcast
74 °Overcast

Willow, Saturday, 15 August

Overcast. High 74°, low 55°.

Pressure30.30 inHg
Wind9 mph S
Humidity61%
Visibility—
Dew point56°
Sun, 1675° / 56°0Overcast
75 °Overcast

Willow, Sunday, 16 August

Overcast. High 75°, low 56°.

Pressure30.15 inHg
Wind11.7 mph S
Humidity67%
Visibility—
Dew point61°
Mon, 1783° / 65°0.03Light rain
83 °Light rain

Willow, Monday, 17 August

Light rain. High 83°, low 65°.

Pressure29.97 inHg
Wind7.8 mph S
Humidity74%
Visibility—
Dew point71°
Tue, 1882° / 67°0Partly cloudy
82 °Partly cloudy

Willow, Tuesday, 18 August

Partly cloudy. High 82°, low 67°.

Pressure30.03 inHg
Wind7.7 mph SE
Humidity66%
Visibility—
Dew point67°
Wed, 1982° / 66°0.38Light rain
82 °Light rain

Willow, Wednesday, 19 August

Light rain. High 82°, low 66°.

Pressure29.88 inHg
Wind9.2 mph S
Humidity74%
Visibility—
Dew point71°
Thu, 2076° / 64°0.02Light rain
76 °Light rain

Willow, Thursday, 20 August

Light rain. High 76°, low 64°.

Pressure29.94 inHg
Wind10 mph NE
Humidity67%
Visibility—
Dew point63°
Fri, 2180° / 62°0.06Light rain
80 °Light rain

Willow, Friday, 21 August

Light rain. High 80°, low 62°.

Pressure29.97 inHg
Wind5.9 mph N
Humidity63%
Visibility—
Dew point63°
Sat, 2270° / 55°0.07Light rain
70 °Light rain

Willow, Saturday, 22 August

Light rain. High 70°, low 55°.

Pressure30.00 inHg
Wind16.6 mph NE
Humidity81%
Visibility—
Dew point60°
Sun, 2368° / 44°0Clear
68 °Clear

Willow, Sunday, 23 August

Clear. High 68°, low 44°.

Pressure30.24 inHg
Wind10.4 mph E
Humidity55%
Visibility—
Dew point46°

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 Willow, 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 Willow, 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.