Live Weather & Forecast

Weather in Madison

South Dakota, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
23°C
Feels like 24°C
74°F / Feels 75°F
Sunny
Madison, South Dakota
🌙 Nighttime
Updated: 2026-04-12 20:30
💧
Humidity
44%
💨
Wind
11.9 km/h WNW
🌬️
Wind Gust
24.9 km/h
🌡️
Pressure
1002 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
3.5°C
🌐
Wind Degree
301°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
164.9 μg/m³
NO₂
8.1 μg/m³
O₃
68 μg/m³
SO₂
1.4 μg/m³
PM 2.5
8.1 μg/m³
PM 10
14.1 μg/m³

Weather Alerts 2

Met · Severe · Expected
Red Flag Warning issued April 12 at 12:44PM CDT until April 12 at 7:00PM CDT by NWS Sioux Falls SD

The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 7 PM CDT this evening. * AFFECTED AREA...In Iowa, Lyon, Sioux and Plymouth. In Minnesota, Pipestone and Rock. In Nebraska, Dakota. In South Dakota, Miner, Lake and Moody. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 17 per...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T12:44:00-05:00  ·  Expires: 2026-04-12T19:00:00-05:00
Met · Severe · Expected
Red Flag Warning issued April 12 at 12:44PM CDT until April 12 at 7:00PM CDT by NWS Sioux Falls SD

* AFFECTED AREA...In Nebraska, Dixon. In South Dakota, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burnin...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T12:44:00-05:00  ·  Expires: 2026-04-12T19:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Madison, South Dakota

12 AM
Clear
15°
Clear
💧 90% 💨 29.9 km/h
1 AM
Clear
15°
Clear
💧 89% 💨 29.2 km/h
2 AM
Clear
15°
Clear
💧 88% 💨 27.4 km/h
3 AM
Clear
15°
Clear
💧 88% 💨 25.9 km/h
4 AM
Clear
15°
Clear
💧 88% 💨 26.6 km/h
5 AM
Clear
15°
Clear
💧 87% 💨 28.1 km/h
6 AM
Clear
15°
Clear
💧 86% 💨 27 km/h
7 AM
Sunny
15°
Sunny
💧 86% 💨 24.8 km/h
8 AM
Sunny
16°
Sunny
💧 82% 💨 23.4 km/h
9 AM
Sunny
17°
Sunny
💧 73% 💨 26.3 km/h
10 AM
Sunny
19°
Sunny
💧 53% 💨 29.9 km/h
11 AM
Sunny
22°
Sunny
💧 40% 💨 33.1 km/h
12 PM
Sunny
25°
Sunny
💧 35% 💨 31.7 km/h
1 PM
Sunny
26°
Sunny
💧 25% 💨 33.1 km/h
2 PM
Sunny
27°
Sunny
💧 23% 💨 33.1 km/h
3 PM
Sunny
28°
Sunny
💧 25% 💨 32 km/h
4 PM
Sunny
27°
Sunny
💧 26% 💨 29.2 km/h
5 PM
Sunny
26°
Sunny
💧 28% 💨 29.2 km/h
6 PM
Sunny
27°
Sunny
💧 28% 💨 24.5 km/h
7 PM
Sunny
24°
Sunny
💧 28% 💨 20.2 km/h
8 PM
Sunny
23°
Sunny
💧 44% 💨 11.9 km/h
9 PM
Clear
20°
Clear
💧 34% 💨 9 km/h
10 PM
Clear
18°
Clear
💧 36% 💨 5.8 km/h
11 PM
Clear
16°
Clear
💧 36% 💨 1.8 km/h

3-Day Forecast

Daily overview for Madison, South Dakota

Today
Sunny
Sunny
28° / 15°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 33.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:50 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
Patchy rain nearby
26° / 10°
🌧️ 71% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 32.4 km/h
🌧️ Total precip: 1.04 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:48 AM
🌇 Sunset: 08:10 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
Overcast
18° / 10°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:47 AM
🌇 Sunset: 08:11 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Madison

Plan your trip to Madison, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Madison 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Madison?
Current conditions in Madison: Sunny, temperature 23°C, humidity 44%.
What is the best time to visit Madison?
The best time to visit Madison is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Madison?
Madison is located at approximately 44° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Madison?
The wettest period in Madison is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Madison?
For visits to Madison during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Madison in?
Madison is located in United States, in the state of South Dakota.
What are the public holidays in Madison in 2026?
View the 2026 public holidays for Madison on our Holidays page.
What are the GPS coordinates used for the weather forecast in Madison?
The weather forecast for Madison uses coordinates 44.0061, -97.114.