Janesville, IA Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory

Current Conditions From Nearby Station

Clear 34°F
Feels Like 29°F  
Humidity 82% Dew Point 29°F Wind SE 5 MPH Gusts 7 Barometer 29.64 in.
Report from a MADIS/MESONET weather station 7.2 mi. S of central Janesville
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Point Forecast at a Glance

WedDec 17
Wed Dec 17: Rain, Low 40F
100%
 
40
ThuDec 18
Thu Dec 18: Snow, High 19F, Low 5F
50%
19
5
FriDec 19
Fri Dec 19: Mostly Sunny, High 28F, Low 20F
28
20
SatDec 20
Sat Dec 20: Partly Sunny, High 35F, Low 10F
35
10
SunDec 21
Sun Dec 21: Sunny, High 28F, Low 19F
28
19
MonDec 22
Mon Dec 22: Partly Sunny, High 38F, Low 29F
38
29
TueDec 23
Tue Dec 23: Partly Sunny, High 39F, Low 22F
39
22

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7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 28°F to 39°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 31°F with lows around 15°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

More on this and other weather history

Janesville, IA 7 Day Weather Forecast Details

Wednesday Dec 17

Rain

Night: Rain, mainly after 3am. Temperature rising to around 40 by 3am. Windy, with a south southeast wind 14 to 22 mph becoming west southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Dec 18

Snow

Day: A chance of rain before 8am, then a slight chance of snow after noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 19 by 5pm. Wind chill values as low as zero. Windy, with a west wind 17 to 22 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Mostly Cloudy

Night: Mostly cloudy, with a low around 5. Wind chill values as low as -10. Windy, with a northwest wind 24 to 29 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 39 mph.

Friday Dec 19

Mostly Sunny

Day: Mostly sunny, with a high near 28. Wind chill values as low as -10. Northwest wind 7 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 20. Breezy, with a south wind 10 to 16 mph, with gusts as high as 22 mph.

Saturday Dec 20

Partly Sunny

Day: Partly sunny, with a high near 35.

Mostly Clear

Night: Mostly clear, with a low around 10.

Sunday Dec 21

Sunny

Day: Sunny, with a high near 28.

Mostly Cloudy

Night: Mostly cloudy, with a low around 19.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 38.

Mostly Cloudy

Night: Mostly cloudy, with a low around 29.

Tuesday Dec 23

Partly Sunny

Day: Partly sunny, with a high near 39.

Mostly Cloudy

Night: Mostly cloudy, with a low around 22.

Wednesday Dec 24

Partly Sunny

Day: Partly sunny, with a high near 37.


About Janesville, IA

Janesville is a city in Black Hawk and Bremer counties in the U.S. state of Iowa. The population was 1034 at the 2020 census. It is part of the Waterloo–Cedar Falls Metropolitan Statistical Area.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

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