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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

62°F

17°C

Humidity 86%
Wind Speed E 13 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 6:53 pm CDT
Extended Forecast for

Maple Bluff WI

Flood Watch September 19, 01:00am until September 19, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 59. East wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 59 °F

    Showers
    Likely then
    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 73. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 58. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 68. Northeast wind around 15 mph.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. Northeast wind around 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 63. East wind around 15 mph.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 48. Northeast wind 10 to 15 mph.

    Low: 48 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Northeast wind 10 to 15 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 59. East wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 73. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 58. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 68. Northeast wind around 15 mph.
Sunday Night
Mostly cloudy, with a low around 52. Northeast wind around 15 mph.
Monday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 63. East wind around 15 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48. Northeast wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 62. Northeast wind 10 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maple Bluff WI
 43.11°N 89.37°W (Elev. 850 ft)
Last Update:
6:16 pm CDT Sep 18, 2026
Forecast Valid:
7pm CDT Sep 18, 2026-6pm CDT Sep 25, 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