Heavy Rainfall and Flash Flood Threats Shift From Southern Plains to Lower Mississippi Valley; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will shift from the southern Plains into the Lower Mississippi Valley. Elevated to Critical Fire weather threats will linger through the weekend across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina this weekend. Read More >

Hazardous Weather Conditions

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Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fog/Mist

33°F

1°C

Humidity	100%
Wind Speed	Calm
Barometer	30.36 in
Dewpoint	33°F (1°C)
Visibility	1.00 mi
Last update	22 Sep 3:55 am CDT

More Information:

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

Extended Forecast for

Sparta WI

Frost Advisory until September 22, 08:00am

Click here for hazard details and duration

Frost Advisory

Frost Advisory until September 22, 08:00am

NOW until
8:00am Sat

Frost Advisory
Overnight

Patchy Frost
and Areas Fog
Low: 34 °F
Saturday

Areas Frost
and Areas Fog
then Sunny
High: 64 °F
Saturday
Night

Mostly Clear
Low: 41 °F
Sunday

Sunny
High: 69 °F
Sunday
Night

Mostly Clear
Low: 47 °F
Monday

Mostly Sunny
High: 74 °F
Monday
Night

Chance
Showers
Low: 55 °F
Tuesday

Partly Sunny
High: 66 °F

Detailed Forecast

Overnight

Areas of fog. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 34. Calm wind.

Saturday

Areas of fog before 10am. Areas of frost before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 41. Light south wind.

Sunday

Sunny, with a high near 69. Southeast wind 3 to 8 mph.

Sunday Night

Mostly clear, with a low around 47. Southeast wind around 7 mph.

Monday

Mostly sunny, with a high near 74. South wind 6 to 11 mph.

Monday Night

A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 55. South wind around 7 mph becoming west after midnight. Chance of precipitation is 50%.

Tuesday

Partly sunny, with a high near 66. Northwest wind 6 to 9 mph.

Tuesday Night

Partly cloudy, with a low around 41. West wind around 7 mph.

Wednesday

Sunny, with a high near 61. West wind 6 to 10 mph.

Wednesday Night

A 30 percent chance of showers. Partly cloudy, with a low around 39. West wind around 6 mph becoming south after midnight.

Thursday

A 30 percent chance of showers. Mostly cloudy, with a high near 61. South wind 8 to 13 mph.

Thursday Night

Mostly cloudy, with a low around 38. West wind 7 to 9 mph.