Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

78°F

26°C

Humidity	71%
Wind Speed	S 13 G 23 mph
Barometer	29.95 in (1012.5 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	23 Jun 5:53 am CDT

More Information:

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

Extended Forecast for

3 Miles SE Berlin WI

Heat Advisory June 23, 06:04am until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 23, 06:04am until June 23, 07:00pm
NOW until 7:00pm Mon
Heat Advisory
Today
High: 92 °F
Sunny then
Chance
Showers
Tonight
Low: 71 °F
T-storms
Likely
Tuesday
High: 76 °F
Chance
T-storms
Tuesday Night
Low: 61 °F
Showers
Likely
Wednesday
High: 74 °F
Showers
Likely
Wednesday Night
Low: 61 °F
T-storms
Likely
Thursday
High: 79 °F
Showers
Thursday Night
Low: 65 °F
T-storms
Likely

Detailed Forecast

Today

A slight chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers after 4pm. Increasing clouds and hot, with a high near 92. Heat index values as high as 99. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

Tonight

Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. West wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 74. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers and possibly a thunderstorm. High near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.

Sunday

Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.