Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Fair

68°F

20°C

Humidity	81%
Wind Speed	SW 6 mph
Barometer	29.92 in (1012.8 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	18 Aug 2:56 am CDT

More Information:

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

Extended Forecast for

Altoona WI

Overnight
Low: 64 °F
Slight Chance
T-storms
Tuesday
High: 80 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 55 °F
Chance
T-storms then
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 83 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 62 °F
Chance
T-storms
Friday
High: 83 °F
Mostly Sunny
Friday Night
Low: 59 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. West northwest wind 5 to 10 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm.

Thursday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the afternoon.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 80. North northwest wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 59. South wind around 5 mph becoming calm.

Monday

Mostly sunny, with a high near 82. South southeast wind around 5 mph becoming southwest in the afternoon.