Hazardous Weather Conditions
Current conditions at
Madison, Dane County Regional-Truax Field (KMSN)
Lat: 43.14°NLon: 89.35°WElev: 860ft.
Mostly Cloudy
58°F
14°C
| Humidity | 48% |
| Wind Speed | S 7 mph |
| Barometer | 29.90 in (1012.5 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 15 May 2:53 am CDT |
Extended Forecast for
Rio WI
Overnight

Low: 50 °F
Chance
ShowersFriday

High: 78 °F
Becoming
SunnyFriday Night
Low: 55 °F
Chance
Showers then
Showers
LikelySaturday

High: 82 °F
Decreasing
CloudsSaturday Night

Low: 54 °F
Chance
ShowersSunday

High: 80 °F
Showers
LikelySunday Night
Low: 62 °F
Chance
Showers then
Chance
T-stormsMonday
High: 84 °F
Breezy.
Chance
T-storms then
Showers
LikelyMonday Night

Low: 61 °F
Showers
Likely and
Breezy
Detailed Forecast
Overnight
A 30 percent chance of showers, mainly before 4am. Cloudy, with a low around 50. South wind around 10 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms likely, mainly before 2am. Increasing clouds, with a low around 55. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind around 5 mph becoming northwest in the afternoon.
Saturday Night
A chance of showers, with thunderstorms also possible after 10pm. Increasing clouds, with a low around 54. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 50%.
Sunday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 67.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rio WI
43.43°N 89.23°W (Elev. 1033 ft)
43.43°N 89.23°W (Elev. 1033 ft)
2:36 am CDT May 15, 2026
3am CDT May 15, 2026-6pm CDT May 21, 2026



