Heavy Rainfall, Severe Weather and Flood Threats for the East; Fire Weather Risk for the West

A slow moving storm system will affect the eastern third of the country through Friday. Thunderstorms, some severe, accompanied by heavy rainfall may result in flooding. For the Pacific Northwest, approaching storm system may bring some severe weather threats and dry thunderstorms for portions of Nevada for the risk of wild fires. Across southern Alaska, fire weather concerns increase Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

77°F

25°C

Humidity	61%
Wind Speed	S 6 mph
Barometer	29.72 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	26 May 2:45 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Roscoe IL

This
Afternoon

Showers
Likely
High: 75 °F
Tonight

Showers
Likely
Low: 54 °F
Friday

Scattered
Showers then
Mostly Cloudy
High: 67 °F
Friday
Night

Partly Cloudy
Low: 49 °F
Saturday

Mostly Sunny
High: 76 °F
Saturday
Night

Slight Chance
T-storms
Low: 62 °F
Sunday

Partly Sunny
then Partly
Sunny and
Breezy
High: 84 °F
Sunday
Night

Partly Cloudy
Low: 70 °F
Memorial
Day

Mostly Sunny
then Sunny
and Breezy
High: 89 °F

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 75. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then scattered showers and thunderstorms after 4am. Cloudy, with a low around 54. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Scattered showers before 10am. Mostly cloudy, with a high near 67. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 49. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

Saturday

Mostly sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.

Sunday

Partly sunny, with a high near 84. Breezy.

Sunday Night

Partly cloudy, with a low around 70.

Memorial Day

Mostly sunny, with a high near 89. Breezy.