Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

77°F

25°C

Humidity 88%
Wind Speed S 8 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 8:53 am CDT
Extended Forecast for

3 Miles W De Forest WI

Heat Advisory July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny and hot, with a high near 92. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am.  Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before 10am.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph becoming south in the morning.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. North wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming east around 5 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. East wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny and hot, with a high near 92. Heat index values as high as 102. South wind 5 to 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming northwest after midnight.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph becoming south in the morning.
Monday Night
Partly cloudy, with a low around 67. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 84. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming east around 5 mph.
Wednesday Night
Mostly clear, with a low around 61. East wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W De Forest WI
 43.24°N 89.42°W (Elev. 997 ft)
8:37 am CDT Jul 26, 2026
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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