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Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

60°F

16°C

Humidity 75%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Jul 9:53 pm CDT
Extended Forecast for

3 Miles N Sun Prairie WI

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming west around 5 mph in the morning.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. West wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 60. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 68. West wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Sun Prairie WI
 43.24°N 89.24°W (Elev. 984 ft)
Last Update:
8:37 pm CDT Jul 22, 2026
Forecast Valid:
10pm CDT Jul 22, 2026-6pm CDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation