Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1011.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 10 Aug 12:53 am CDT
Extended Forecast for

Monona WI

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon.  High near 82. East wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm.  Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers.  Partly sunny, with a high near 84. Calm wind becoming north around 5 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 65. Calm wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.
Tuesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon. High near 82. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 84. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 74.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.05°N 89.34°W (Elev. 850 ft)
12:21 am CDT Aug 10, 2026
1am CDT Aug 10, 2026-6pm CDT Aug 16, 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