Hazardous Weather Conditions
Current conditions at
Madison, Dane County Regional-Truax Field (KMSN)
Lat: 43.14°NLon: 89.35°WElev: 860ft.
Fog/Mist
69°F
21°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 29.91 in (1012.3 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 2.00 mi |
| Last update | 13 Aug 5:53 am CDT |
Extended Forecast for
Deerfield WI
Dense Fog Advisory until August 13, 09:00am
NOW until 9:00am Thu
Dense Fog Advisory
Overnight
Low: 67 °F
Areas Dense
FogThursday
High: 78 °F
Showers
Likely and
Patchy Dense
FogThursday Night
Low: 64 °F
Chance
Showers then
Mostly CloudyFriday
High: 79 °F
Chance
ShowersFriday Night
Low: 65 °F
Chance
Showers then
Showers
LikelySaturday
High: 82 °F
Showers
LikelySaturday Night
Low: 69 °F
Showers
LikelySunday
High: 81 °F
Slight Chance
T-storms
Detailed Forecast
Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Thursday
Showers and thunderstorms likely before 4pm, then a chance of showers. Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers, mainly before 7pm. Increasing clouds, with a low around 64. East wind around 5 mph.
Friday
A chance of showers before noon, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Additional Forecasts and Information
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Point Forecast:
Deerfield WI
43.06°N 89.07°W (Elev. 899 ft)
43.06°N 89.07°W (Elev. 899 ft)
5:51 am CDT Aug 13, 2026
5am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
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