Excessive Heat for the East; Excessive Rainfall for the Southwest; Severe Weather for the Center of the Nation

Extreme HeatRisk impacts will expand from the Midwest into the Mid-Atlantic and Northeast today. This level of HeatRisk is known for being rare and/or long duration with little to no overnight relief, and affects anyone without effective cooling and/or adequate hydration. Severe weather potential continues from the Great Lakes to the Central Plains today. Heavy rainfall for Southwest on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

85°F

29°C

Humidity	63%
Wind Speed	SW 14 G 21 mph
Barometer	29.97 in (1013.2 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	23 Jun 9:53 am CDT

More Information:

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

Extended Forecast for

Oshkosh WI

Heat Advisory June 23, 10:21am until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 23, 10:21am until June 23, 07:00pm
NOW until 7:00pm Mon
Heat Advisory
Today
High: 91 °F
Sunny then
Severe
Thunderstorms
Tonight
Low: 71 °F
Severe
Thunderstorms
and Patchy
Fog
Tuesday
High: 72 °F⇓
Chance
T-storms and
Patchy Fog
Tuesday Night
Low: 62 °F
Showers
Likely
Wednesday
High: 70 °F
Showers
Likely
Wednesday Night
Low: 62 °F
T-storms
Likely
Thursday
High: 75 °F
Showers
Thursday Night
Low: 66 °F
Showers
Likely

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 91. Southwest wind 15 to 17 mph, with gusts as high as 26 mph.

Tonight

Showers and thunderstorms likely, mainly before 9pm, then showers likely and possibly a thunderstorm after 1am. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 71. Northwest wind 5 to 15 mph becoming south southwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A 50 percent chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a temperature falling to around 69 by 3pm. West northwest wind 5 to 9 mph becoming east in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. East wind around 8 mph. Chance of precipitation is 60%.

Wednesday

Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. East northeast wind 7 to 9 mph. Chance of precipitation is 60%.

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 62. Chance of precipitation is 70%.

Thursday

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

Thursday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

Friday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 20%.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Sunday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.