Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

60°F

16°C

Humidity	95%
Wind Speed	Calm
Barometer	29.79 in (1008.9 mb)
Dewpoint	58°F (14°C)
Visibility	7.00 mi
Last update	19 Jun 12:55 am CDT

More Information:

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

Extended Forecast for

4 Miles WNW Ontario WI

Overnight
Low: 61 °F
Isolated
Showers
Juneteenth
High: 84 °F
Sunny
Thursday Night
Low: 64 °F
Chance
Showers
Friday
High: 85 °F
Chance
T-storms
Friday Night
Low: 75 °F
Slight Chance
T-storms
Saturday
High: 94 °F
Mostly Sunny
and Breezy
Saturday Night
Low: 77 °F
Mostly Clear
Sunday
High: 95 °F
Hot and
Breezy
Sunday Night
Low: 76 °F
Mostly Clear
then Slight
Chance
Showers

Detailed Forecast

Overnight

Isolated showers before 2am. Mostly cloudy, with a low around 61. West wind around 6 mph. Chance of precipitation is 20%.

Juneteenth

Sunny, with a high near 84. Northwest wind 3 to 8 mph.

Thursday Night

A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 64. Southwest wind 3 to 6 mph.

Friday

A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. South wind 7 to 13 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 94. Breezy, with a southwest wind 15 to 17 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 77. South wind around 14 mph, with gusts as high as 25 mph.

Sunday

Sunny and hot, with a high near 95. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.

Sunday Night

A 20 percent chance of showers after 1am. Mostly clear, with a low around 76. South wind 11 to 14 mph, with gusts as high as 26 mph.

Monday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 21 mph.

Monday Night

Showers and possibly a thunderstorm. Low around 67. West wind 3 to 7 mph. Chance of precipitation is 80%.

Tuesday

Showers and possibly a thunderstorm. High near 83. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 63. North wind around 6 mph becoming light and variable. Chance of precipitation is 80%.

Wednesday

Showers and possibly a thunderstorm. High near 77. East wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%.