Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

66°F

19°C

Humidity 86%
Wind Speed Calm
Barometer 30.10 in (1019.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 4:55 pm CDT
Extended Forecast for

Tomah WISimilar City Names

  • Tonight

    Tonight: Widespread fog, mainly after 3am.  Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy
    then Fog

  • Saturday

    Saturday: Widespread fog, mainly before 9am.  Otherwise, partly sunny, with a high near 73. Light east wind.

    High: 73 °F

    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Light southeast wind.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 76. Light southeast wind.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. Light west wind.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Widespread fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Saturday
Widespread fog, mainly before 9am. Otherwise, partly sunny, with a high near 73. Light east wind.
Saturday Night
Mostly clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 75. Light southeast wind.
Sunday Night
Mostly clear, with a low around 50. Calm wind.
Labor Day
Sunny, with a high near 76. Light southeast wind.
Monday Night
Mostly clear, with a low around 52. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Light west wind. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 63. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40. North wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 60. Northwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 44. West wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 66. West wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WISimilar City Names
 43.99°N 90.51°W
5:14 pm CDT Aug 29, 2025
5pm CDT Aug 29, 2025-6pm CDT Sep 5, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database