National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

55°F

13°C

Humidity 94%
Wind Speed SE 10 mph
Barometer 29.92 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 11 Oct 7:55 am CDT
Extended Forecast for

Sumner IA

  • Today

    Today: Sunny, with a high near 83. South wind around 15 mph, with gusts as high as 22 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 66. South wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 84. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 22 mph.

    High: 84 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. North northwest wind 7 to 10 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 83. South wind around 15 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 66. South wind 11 to 13 mph, with gusts as high as 21 mph.
Columbus Day
Mostly sunny, with a high near 84. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 61. South southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 73. North northwest wind 7 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 46. Breezy.
Friday
Partly sunny, with a high near 56. Windy.
Friday Night
Partly cloudy, with a low around 36. Windy.
Saturday
Sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
6:42 am CDT Oct 11, 2026
Forecast Valid:
8am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation