National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

52°F

11°C

Humidity 87%
Wind Speed Calm
Barometer 30.34 in (1028.0 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 22 Sep 7:55 am CDT
Extended Forecast for

Tomah WI

  • Today

    Today: Partly sunny, with a high near 62. East wind 7 to 9 mph.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Light east wind.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. Calm wind becoming southeast around 5 mph.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 65 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 62. East wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 41. Light east wind.
Wednesday
Mostly sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 43. Calm wind.
Thursday
Partly sunny, with a high near 65. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 44. Calm wind.
Friday
Partly sunny, with a high near 67. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 44. Calm wind.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47. Light south wind.
Sunday
Mostly cloudy, with a high near 68. Light south wind.
Sunday Night
Mostly cloudy, with a low around 50. Calm wind.
Monday
Partly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
Last Update:
6:16 am CDT Sep 22, 2026
Forecast Valid:
9am CDT Sep 22, 2026-6pm CDT Sep 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation