Severe Weather Likely this Afternoon and Evening

A line of severe thunderstorms are expected to develop mainly north of Interstate 90 later this afternoon and track to the east/northeast through the area. Large hail (2+"), damaging winds (60-70mph), and heavy rain of 2-3" are the main threats. A tornado cannot be ruled out if conditions line up just right. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

77°F

25°C

Humidity	57%
Wind Speed	S 8 mph
Barometer	29.77 in (1008.0 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	13 Apr 11:55 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles WNW Ontario WI

Flood Watch April 13, 04:00pm until April 14, 07:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 74 °F
Chance
T-storms
Tonight
Low: 57 °F
Showers
Likely and
Patchy Fog
Tuesday
High: 78 °F
Patchy Fog
then Showers
Likely
Tuesday Night
Low: 52 °F
Showers
Likely
Wednesday
High: 70 °F
Slight Chance
Showers then
Showers
Likely
Wednesday Night
Low: 52 °F
Showers
Likely
Thursday
High: 71 °F
Chance
Showers
Thursday Night
Low: 51 °F
Mostly Clear
Friday
High: 78 °F
Partly Sunny
then Chance
Showers and
Breezy

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a steady temperature around 74. South wind 5 to 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 57. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms, then showers likely after 7pm. Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. East wind around 6 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A 40 percent chance of showers. Partly sunny, with a high near 71. West wind 5 to 7 mph.

Thursday Night

Mostly clear, with a low around 51. Light and variable wind becoming southeast around 6 mph after midnight.

Friday

A 50 percent chance of showers after 1pm. Partly sunny, with a high near 78. Breezy, with a south wind 7 to 17 mph, with gusts as high as 26 mph.

Friday Night

Showers and possibly a thunderstorm. Low around 42. South wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.

Saturday

A 40 percent chance of showers. Partly sunny, with a high near 54. Breezy, with a west wind 14 to 20 mph, with gusts as high as 28 mph.

Saturday Night

A slight chance of rain and snow showers. Mostly cloudy, with a low around 29. Breezy, with a west wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 54. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.