Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

71°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.98 in (1014.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 4 Jul 12:53 am CDT
Extended Forecast for

Madison WI

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms, mainly after 11am.  Mostly cloudy, with a high near 84. Southwest wind around 5 mph becoming calm.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 64. North wind around 5 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 82. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Northeast wind 5 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Independence Day
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 84. Southwest wind around 5 mph becoming calm.
Saturday Night
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. North wind around 5 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Northeast wind around 5 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 62. Northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 81. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Madison WI
 43.07°N 89.4°W (Elev. 879 ft)
12:32 am CDT Jul 4, 2026
1am CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database