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As of 13:12 CDT

Weather in Madison, IL

90°Current weather

Madison, Saturday, 8 August, 13:12

Clear. Feels like 100°. High 90°, low 71°.

Pressure30.06 inHg
Wind4 mph SE
Humidity60%
Visibility6.2 mi
Dew point74°
Sun, 0995° / 73°0Mostly clear
95 °Mostly clear

Madison, Sunday, 9 August

Mostly clear. High 95°, low 73°.

Pressure29.97 inHg
Wind10.6 mph S
Humidity48%
Visibility6.2 mi
Dew point68°
Mon, 10101° / 76°0Partly cloudy
101 °Partly cloudy

Madison, Monday, 10 August

Partly cloudy. High 101°, low 76°.

Pressure29.94 inHg
Wind11.6 mph SW
Humidity41%
Visibility6.2 mi
Dew point68°
Tue, 11104° / 79°0.01Light rain
104 °Light rain

Madison, Tuesday, 11 August

Light rain. High 104°, low 79°.

Pressure29.85 inHg
Wind12.1 mph SW
Humidity35%
Visibility6.2 mi
Dew point66°
Wed, 1290° / 77°0.01Light rain
90 °Light rain

Madison, Wednesday, 12 August

Light rain. High 90°, low 77°.

Pressure29.85 inHg
Wind9.9 mph N
Humidity59%
Visibility6.2 mi
Dew point72°
Thu, 1383° / 70°0.19Light rain
83 °Light rain

Madison, Thursday, 13 August

Light rain. High 83°, low 70°.

Pressure29.85 inHg
Wind13.7 mph W
Humidity67%
Visibility—
Dew point70°
Fri, 1479° / 62°0Overcast
79 °Overcast

Madison, Friday, 14 August

Overcast. High 79°, low 62°.

Pressure30.15 inHg
Wind7.5 mph NE
Humidity47%
Visibility—
Dew point54°
Sat, 1581° / 62°0.17Rain
81 °Rain

Madison, Saturday, 15 August

Rain. High 81°, low 62°.

Pressure30.15 inHg
Wind8 mph SE
Humidity48%
Visibility—
Dew point57°
Sun, 1681° / 67°0.76Rain
81 °Rain

Madison, Sunday, 16 August

Rain. High 81°, low 67°.

Pressure30.06 inHg
Wind12.2 mph SE
Humidity87%
Visibility—
Dew point71°
Mon, 1784° / 74°0Overcast
84 °Overcast

Madison, Monday, 17 August

Overcast. High 84°, low 74°.

Pressure29.94 inHg
Wind9.6 mph SE
Humidity75%
Visibility—
Dew point72°
Tue, 1887° / 72°0.06Light rain
87 °Light rain

Madison, Tuesday, 18 August

Light rain. High 87°, low 72°.

Pressure29.91 inHg
Wind5.7 mph SW
Humidity55%
Visibility—
Dew point67°
Wed, 1990° / 71°0.01Light rain
90 °Light rain

Madison, Wednesday, 19 August

Light rain. High 90°, low 71°.

Pressure29.91 inHg
Wind15 mph N
Humidity53%
Visibility—
Dew point69°
Thu, 2074° / 59°0Mostly clear
74 °Mostly clear

Madison, Thursday, 20 August

Mostly clear. High 74°, low 59°.

Pressure30.21 inHg
Wind12.9 mph N
Humidity44%
Visibility—
Dew point48°
Fri, 2174° / 53°0Clear
74 °Clear

Madison, Friday, 21 August

Clear. High 74°, low 53°.

Pressure30.24 inHg
Wind6.3 mph NE
Humidity42%
Visibility—
Dew point45°
Sat, 2277° / 56°0Partly cloudy
77 °Partly cloudy

Madison, Saturday, 22 August

Partly cloudy. High 77°, low 56°.

Pressure30.15 inHg
Wind7.7 mph E
Humidity41%
Visibility—
Dew point47°
Sun, 2381° / 58°0Clear
81 °Clear

Madison, Sunday, 23 August

Clear. High 81°, low 58°.

Pressure30.12 inHg
Wind8 mph SE
Humidity36%
Visibility—
Dew point47°

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 Madison, 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 Madison, 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.