Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64° N Lon: 91.54° W Elev: 650 ft.

Mostly Cloudy

25°F

-4°C

Humidity 81%
Wind Speed Calm
Barometer 29.93 in (1014.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 1 Jan 5:52 pm CST
Detailed forecast for

Johnson County

Tonight
Mostly cloudy this evening, then becoming partly cloudy. Lows around 18. Northwest winds around 5 mph.
Friday
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 20s. North winds around 5 mph.
Friday Night
Mostly cloudy. Lows around 20. Northeast winds around 5 mph.
Saturday
Mostly sunny. Highs in the lower 30s. North winds around 5 mph, becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy in the evening, then becoming mostly clear. Lows around 19. North winds around 5 mph.
Sunday
Mostly sunny in the morning, then becoming mostly cloudy. Highs in the mid 30s.
Sunday Night And Monday
Partly cloudy. Lows in the lower 30s. Highs in the mid 40s.
Monday Night
Mostly cloudy. Lows in the lower 30s.
Tuesday And Tuesday Night
Partly cloudy. Highs in the upper 40s. Lows in the upper 20s.
Wednesday
Sunny. Highs in the upper 40s.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s.
Thursday
Partly sunny in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the upper 40s. Chance of rain 30 percent.



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556 PM CST Thu Jan 1 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database