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As of 22:58 CDT

Weather in Hazel Dell, IL

77°Current weather

Hazel Dell, Saturday, 8 August, 22:58

Clear. Feels like 79°. High 89°, low 72°.

Pressure30.00 inHg
Wind3.5 mph S
Humidity100%
Visibility6.2 mi
Dew point77°
Sun, 0992° / 72°0Overcast
92 °Overcast

Hazel Dell, Sunday, 9 August

Overcast. High 92°, low 72°.

Pressure30.03 inHg
Wind12.3 mph SW
Humidity67%
Visibility6.2 mi
Dew point72°
Mon, 1090° / 76°0Light rain
90 °Light rain

Hazel Dell, Monday, 10 August

Light rain. High 90°, low 76°.

Pressure29.97 inHg
Wind12.7 mph SW
Humidity72%
Visibility6.2 mi
Dew point74°
Tue, 1192° / 76°0.02Light rain
92 °Light rain

Hazel Dell, Tuesday, 11 August

Light rain. High 92°, low 76°.

Pressure29.88 inHg
Wind14.3 mph SW
Humidity70%
Visibility6.2 mi
Dew point76°
Wed, 1285° / 69°0.35Rain
85 °Rain

Hazel Dell, Wednesday, 12 August

Rain. High 85°, low 69°.

Pressure29.85 inHg
Wind6 mph W
Humidity76%
Visibility6.2 mi
Dew point76°
Thu, 1382° / 67°2.35Heavy rain
82 °Heavy rain

Hazel Dell, Thursday, 13 August

Heavy rain. High 82°, low 67°.

Pressure29.97 inHg
Wind18.6 mph N
Humidity71%
Visibility—
Dew point70°
Fri, 1475° / 66°0.11Light rain
75 °Light rain

Hazel Dell, Friday, 14 August

Light rain. High 75°, low 66°.

Pressure30.09 inHg
Wind12.1 mph E
Humidity86%
Visibility—
Dew point67°
Sat, 1572° / 63°0.04Light rain
72 °Light rain

Hazel Dell, Saturday, 15 August

Light rain. High 72°, low 63°.

Pressure30.24 inHg
Wind10.7 mph E
Humidity80%
Visibility—
Dew point62°
Sun, 1675° / 62°0.16Light rain
75 °Light rain

Hazel Dell, Sunday, 16 August

Light rain. High 75°, low 62°.

Pressure30.09 inHg
Wind7.8 mph NE
Humidity83%
Visibility—
Dew point68°
Mon, 1779° / 66°0.07Light rain
79 °Light rain

Hazel Dell, Monday, 17 August

Light rain. High 79°, low 66°.

Pressure30.06 inHg
Wind6.4 mph N
Humidity88%
Visibility—
Dew point70°
Tue, 1882° / 66°0Overcast
82 °Overcast

Hazel Dell, Tuesday, 18 August

Overcast. High 82°, low 66°.

Pressure30.00 inHg
Wind6.2 mph E
Humidity73%
Visibility—
Dew point69°
Wed, 1983° / 69°0Overcast
83 °Overcast

Hazel Dell, Wednesday, 19 August

Overcast. High 83°, low 69°.

Pressure29.91 inHg
Wind11.8 mph N
Humidity74%
Visibility—
Dew point72°
Thu, 2074° / 56°0Mostly clear
74 °Mostly clear

Hazel Dell, Thursday, 20 August

Mostly clear. High 74°, low 56°.

Pressure30.03 inHg
Wind12.5 mph NE
Humidity66%
Visibility—
Dew point58°
Fri, 2173° / 55°0Overcast
73 °Overcast

Hazel Dell, Friday, 21 August

Overcast. High 73°, low 55°.

Pressure30.06 inHg
Wind8.7 mph E
Humidity63%
Visibility—
Dew point56°
Sat, 2283° / 61°0.05Light rain
83 °Light rain

Hazel Dell, Saturday, 22 August

Light rain. High 83°, low 61°.

Pressure29.85 inHg
Wind14 mph S
Humidity70%
Visibility—
Dew point66°
Sun, 2388° / 69°0Clear
88 °Clear

Hazel Dell, Sunday, 23 August

Clear. High 88°, low 69°.

Pressure29.94 inHg
Wind7.9 mph W
Humidity62%
Visibility—
Dew point69°

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 Hazel Dell, 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 Hazel Dell, 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.