


Hazardous Weather Conditions
Current conditions at
Oelwein Municipal Airport (KOLZ)
Lat: 42.68°NLon: 91.98°WElev: 1070ft.
Overcast
72°F
22°C
Humidity | 94% |
Wind Speed | E 9 mph |
Barometer | 30.11 in |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Last update | 16 Aug 1:35 am CDT |
Extended Forecast for
Sumner IA
Overnight
Low: 71 °F
Slight Chance
T-stormsSaturday
High: 89 °F
Slight Chance
T-storms then
Mostly SunnySaturday Night
Low: 70 °F
Mostly Clear
then Slight
Chance
T-stormsSunday
High: 88 °F
Chance
T-stormsSunday Night
Low: 70 °F
Chance
T-stormsMonday
High: 86 °F
Chance
T-stormsMonday Night
Low: 68 °F
Chance
T-stormsTuesday
High: 80 °F
Slight Chance
T-stormsTuesday Night
Low: 64 °F
Partly Cloudy
Detailed Forecast
Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a steady temperature around 71. South southeast wind around 8 mph.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 89. Heat index values as high as 102. South southeast wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind around 7 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Southeast wind 6 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sumner IA
42.85°N 92.1°W
42.85°N 92.1°W
10:34 pm CDT Aug 15, 2025
1am CDT Aug 16, 2025-6pm CDT Aug 22, 2025