Dangerously Hot Weekend - Be Prepared!

Heat Advisories and Warnings are in effect this weekend with hot and humid conditions expected. This heat will be dangerous - children, the elderly, and pets are especially susceptible. Be sure to check on them! Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

82°F

28°C

Humidity	75%
Wind Speed	SW 12 G 22 mph
Barometer	29.66 in (1003.9 mb)
Dewpoint	73°F (23°C)
Visibility	9.00 mi
Heat Index	88°F (31°C)
Last update	21 Jun 7:55 am CDT

More Information:

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

Extended Forecast for

4 Miles S Sparta / Fort McCoy Airport WI

Heat Advisory June 21, 12:00pm until June 22, 09:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 96 °F
Slight Chance
T-storms and
Breezy
Tonight
Low: 79 °F
Mostly Clear
and Breezy
then Mostly
Clear
Sunday
High: 97 °F
Mostly Sunny
then Sunny
and Breezy
Sunday Night
Low: 77 °F
Clear then
Slight Chance
T-storms
Monday
High: 90 °F
Slight Chance
T-storms then
Showers
Likely
Monday Night
Low: 65 °F
Showers
Likely
Tuesday
High: 80 °F
Showers
Likely
Tuesday Night
Low: 64 °F
Chance
T-storms then
Showers
Wednesday
High: 79 °F
Showers

Detailed Forecast

Today

A slight chance of showers and thunderstorms between 11am and 1pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 79. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 30 mph.

Sunday

Sunny and hot, with a high near 97. Heat index values as high as 107. Breezy, with a south wind 13 to 18 mph, with gusts as high as 30 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. South wind 10 to 14 mph, with gusts as high as 26 mph.

Monday

A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

Tuesday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Light southeast wind. Chance of precipitation is 80%.

Wednesday

Showers and possibly a thunderstorm. High near 79. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.

Wednesday Night

Showers and possibly a thunderstorm. Low around 65. South wind 3 to 5 mph. Chance of precipitation is 80%.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 70%.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.

Friday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Light and variable wind becoming west around 5 mph in the afternoon.