Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

85°F

29°C

Humidity 57%
Wind Speed SW 12 G 20 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Jul 11:55 am CDT
Extended Forecast for

4 Miles SW Norwalk WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 82. Light and variable wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 58. North wind 6 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 71. North wind 7 to 9 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. East wind 3 to 6 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am.  Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph after midnight.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78. South wind around 7 mph.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 82. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 58. North wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 71. North wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. East wind 3 to 6 mph.
Friday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph after midnight.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South wind around 7 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. East wind around 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 3 to 6 mph.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Norwalk WI
 43.8°N 90.7°W
11:58 am CDT Jul 15, 2025
12pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database