National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

58°F

14°C

Humidity 72%
Wind Speed S 6 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 3:53 am CDT
Extended Forecast for

Rio WI

  • Overnight

    Overnight: Clear, with a low around 55. South wind around 10 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. South wind around 10 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind around 10 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Northwest wind around 10 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Northeast wind around 5 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 55. South wind around 10 mph.
Sunday
Sunny, with a high near 81. South wind around 10 mph.
Sunday Night
Increasing clouds, with a low around 62. South wind around 10 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind around 10 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 73. Northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 67. Northeast wind around 5 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 47.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rio WI
 43.46°N 89.23°W (Elev. 951 ft)
Last Update:
2:36 am CDT Oct 11, 2026
Forecast Valid:
3am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation