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

Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

51°F

11°C

Humidity 86%
Wind Speed NW 8 G 25 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Oct 12:53 am CDT
Extended Forecast for

Waterloo WI

Freeze Warning October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Cloudy, with a low around 46. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Cloudy, with a high near 51. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 29. North wind 10 to 15 mph becoming light northwest after midnight.

    Low: 29 °F

    Decreasing
    Clouds then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 57. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. Southwest wind around 10 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Southwest wind 10 to 15 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Southwest wind around 5 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 46. West wind around 15 mph, with gusts as high as 30 mph.
Friday
A 40 percent chance of showers, mainly before 1pm. Cloudy, with a high near 51. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 29. North wind 10 to 15 mph becoming light northwest after midnight.
Saturday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 57. Light west wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 38. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 63. Southwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 40. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo WI
 43.19°N 88.98°W (Elev. 850 ft)
Last Update:
1:21 am CDT Oct 16, 2026
Forecast Valid:
1am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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