Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

74°F

23°C

Humidity 92%
Wind Speed Calm
Barometer 30.00 in (1015.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 5 Sep 8:55 am CDT
Extended Forecast for

2 Miles NNW Tomah WI

  • Today

    Today: Partly sunny, with a high near 82. East wind around 7 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. East wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. Light southeast wind.

    Low: 57 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 61. Southeast wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 86. South wind 9 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Low around 64. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 82. East wind around 7 mph.
Tonight
Partly cloudy, with a low around 57. East wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 57. Light southeast wind.
Labor Day
Partly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. Southeast wind 6 to 8 mph, with gusts as high as 21 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 64. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 80. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 54. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Thursday
Mostly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 55. Calm wind.
Friday
Mostly sunny, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Tomah WI
 44.01°N 90.51°W
9:02 am CDT Sep 5, 2026
9am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database