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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Mostly Cloudy

23°F

-5°C

Humidity 92%
Wind Speed NW 5 mph
Barometer 29.90 in (1013.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 1 Jan 8:53 pm CST
Extended Forecast for

4 Miles SW Millersburg IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. West wind around 5 mph becoming north after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 28. Northeast wind around 5 mph.

    High: 28 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, with a low around 20. Northeast wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32. Calm wind becoming west around 5 mph in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. West wind around 5 mph becoming north after midnight.
Friday
Increasing clouds, with a high near 28. Northeast wind around 5 mph.
Friday Night
Cloudy, with a low around 20. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 32. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Millersburg IA
 41.52°N 92.2°W (Elev. 774 ft)
Last Update:
8:41 pm CST Jan 1, 2026
Forecast Valid:
8pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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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