Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

77°F

25°C

Humidity	74%
Wind Speed	E 17 G 24 mph
Barometer	29.87 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	4 Sep 9:55 pm CDT

More Information:

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

Extended Forecast for

15 Miles W Gettysburg SD

Tonight
Low: 69 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 70 °F
Slight Chance
T-storms
Sunday
High: 93 °F
Slight Chance
Showers
Sunday Night
Low: 67 °F
Chance
Showers
Labor Day
High: 90 °F
Chance
T-storms and
Breezy
Monday Night
Low: 67 °F
Mostly Cloudy
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 69. East southeast wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Saturday

Sunny and hot, with a high near 97. Heat index values as high as 100. South southeast wind 11 to 13 mph, with gusts as high as 21 mph.

Saturday Night

A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Increasing clouds, with a low around 70. East southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday

A slight chance of showers between 7am and 1pm. Sunny and hot, with a high near 93. South southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Labor Day

A chance of showers and thunderstorms before 1pm. Partly sunny and hot, with a high near 90. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

Monday Night

Mostly cloudy, with a low around 67. South wind 13 to 17 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.

Tuesday

Sunny, with a high near 84. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.

Tuesday Night

Mostly clear, with a low around 58. West northwest wind 7 to 15 mph, with gusts as high as 23 mph.

Wednesday

Sunny, with a high near 80.

Wednesday Night

Partly cloudy, with a low around 56.

Thursday

A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.