Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Mostly Cloudy

85°F

29°C

Humidity	70%
Wind Speed	SW 17 G 30 mph
Barometer	29.71 in (1004.3 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	21 Jun 11:53 am CDT

More Information:

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

Extended Forecast for

3 Miles ENE Berlin WI

Heat Advisory until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until June 23, 07:00pm
NOW until 7:00pm Mon
Heat Advisory
This Afternoon
High: 93 °F
Hot and
Breezy
Tonight
Low: 79 °F
Mostly Clear
Sunday
High: 94 °F
Hot
Sunday Night
Low: 79 °F
Clear
Monday
High: 90 °F
Sunny then
Chance
T-storms
Monday Night
Low: 70 °F
Showers
Likely
Tuesday
High: 76 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 61 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Breezy, with a south southwest wind around 22 mph, with gusts as high as 40 mph.

Tonight

Mostly clear, with a low around 79. Southwest wind 14 to 18 mph, with gusts as high as 30 mph.

Sunday

Sunny and hot, with a high near 94. Heat index values as high as 102. South southwest wind 15 to 20 mph, with gusts as high as 32 mph.

Sunday Night

Clear, with a low around 79. South southwest wind around 15 mph, with gusts as high as 26 mph.

Monday

A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Wednesday

Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

Wednesday Night

Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

Thursday

Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

Friday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.