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Weather Forecast for Madison

Wisconsin, United States of America

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Clear

Current Weather - Madison: 23°C

Wisconsin, United States of America

Clear

Feels like 17°C

Wind

11 km/h SSW

Humidity

90%

Pressure

1012 mb

UV Index

0

Visibility

2 km
Sunny

Sunny

Sunday, July 26, 2026

High

33°C

Low

23°C

Rain Chance

12%

Hourly Forecast

Sunny 25°C
08:00
Sunny 26°C
09:00
Partly Cloudy 28°C
10:00
Sunny 30°C
11:00
Sunny 31°C
12:00
Partly Cloudy 31°C
13:00
Sunny 32°C
14:00
Sunny 32°C
15:00
Sunny 33°C
16:00
Sunny 32°C
17:00
Sunny 31°C
18:00
Sunny 30°C
19:00
Sunny 28°C
20:00
Clear 26°C
21:00
Clear 25°C
22:00
Partly Cloudy 24°C
23:00
Jul 27

Day Statistics

Maximum Wind

15 km/h

Humidity

81%

Precipitation

0 mm

UV Index

9

Visibility

7 km

Rain Chance

12%

Snow Chance

0%

Sun & Moon

Sunrise

05:42 AM

Sunset

08:26 PM

Moonrise

07:14 PM

Moonset

02:44 AM

Moon Phase

Waxing Gibbous

Moon Illumination

95%

Air Quality

PM2.5

5.6

μg/m³

PM10

6.1

μg/m³

NO₂

5.4

μg/m³

O₃

77.8

μg/m³

SO₂

0.8

μg/m³

CO

151.8

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Heat Advisory issued July 25 at 12:55PM CDT until July 26 at 9:00PM CDT by NWS Milwaukee/Sullivan WI

Marquette; Green Lake; Fond Du Lac; Sauk; Columbia; Dodge; Washington; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Rock; Walworth; Racine; Kenosha Jul 25, 12:55 PM - Jul 25, 09:00 PM
Severity: Moderate Urgency: Expected

* WHAT...Heat index values of 100 to 103 degrees expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From noon to 9 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Areas along the immediate Lake Michigan shoreline may see some relief from the heat with a lake breeze in the afternoon hours.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Event: Heat Advisory Certainty: Likely Category: Met

Heat Advisory issued July 25 at 6:48PM CDT until July 26 at 9:00PM CDT by NWS Milwaukee/Sullivan WI

Marquette; Green Lake; Fond Du Lac; Sauk; Columbia; Dodge; Washington; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Rock; Walworth; Racine; Kenosha Jul 25, 06:48 PM - Jul 26, 03:00 AM
Severity: Moderate Urgency: Expected

* WHAT...Heat index values of 100 to 103 degrees expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From noon to 9 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Areas along the immediate Lake Michigan shoreline may see some relief from the heat with a lake breeze in the afternoon hours.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Event: Heat Advisory Certainty: Likely Category: Met

Heat Advisory issued July 25 at 1:04PM CDT until July 26 at 8:00PM CDT by NWS Chicago IL

Winnebago; Boone; Ogle; Lee; La Salle; Livingston Jul 25, 01:04 PM - Jul 25, 11:15 PM
Severity: Moderate Urgency: Expected

* WHAT...Heat index values up to 105 expected. * WHERE...Livingston, Boone, La Salle, Lee, Ogle, and Winnebago Counties. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Event: Heat Advisory Certainty: Likely Category: Met

Heat Advisory issued July 25 at 8:30PM CDT until July 26 at 8:00PM CDT by NWS Chicago IL

Winnebago; Boone; Ogle; Lee; La Salle; Livingston Jul 25, 08:30 PM - Jul 26, 06:30 AM
Severity: Moderate Urgency: Expected

* WHAT...Heat index values up to 105 expected. * WHERE...Livingston, Boone, La Salle, Lee, Ogle, and Winnebago Counties. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Event: Heat Advisory Certainty: Likely Category: Met