Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

A Few Clouds

75°F

24°C

Humidity	65%
Wind Speed	NW 6 mph
Barometer	29.98 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	26 Aug 6:35 pm CDT

More Information:

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

Extended Forecast for

Sumner IA

Tonight
Low: 59 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 55 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 64 °F
Partly Cloudy
Saturday
High: 80 °F
Chance
Showers and
Breezy
Saturday Night
Low: 68 °F
Slight Chance
T-storms and
Windy
Sunday
High: 88 °F
Slight Chance
T-storms and
Breezy
Sunday Night
Low: 71 °F
Chance
T-storms and
Breezy

Detailed Forecast

Tonight

Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. Northwest wind 5 to 11 mph.

Thursday

Sunny, with a high near 79. North northwest wind 5 to 8 mph.

Thursday Night

Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

Friday

Sunny, with a high near 80. Calm wind becoming south southwest around 6 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 64. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 18 mph.

Saturday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Windy.

Sunday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy.

Sunday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy.

Monday

A 30 percent chance of showers before 1pm. Partly sunny, with a high near 87.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

Mostly sunny, with a high near 85.