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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Overcast

50°F

10°C

Humidity 89%
Wind Speed NW 17 G 24 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 15 Oct 8:54 pm CDT
Extended Forecast for

Shell Rock IA

Freeze Watch October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A 40 percent chance of rain before 10pm. Cloudy early, then gradual clearing, with a low around 43. Windy, with a northwest wind 20 to 22 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Windy. Chance
    Rain then
    Increasing
    Clouds

  • Friday

    Friday: A 30 percent chance of rain, mainly before 9am. Cloudy, with a high near 51. Windy, with a north wind 23 to 29 mph, with gusts as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Windy. Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 30. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 30 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 57. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 21 mph.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. South wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain before 10pm. Cloudy early, then gradual clearing, with a low around 43. Windy, with a northwest wind 20 to 22 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly before 9am. Cloudy, with a high near 51. Windy, with a north wind 23 to 29 mph, with gusts as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 30. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Saturday
Widespread frost before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 57. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Clear, with a low around 39. South wind 10 to 13 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 64. Breezy.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shell Rock IA
 42.71°N 92.58°W
Last Update:
8:01 pm CDT Oct 15, 2026
Forecast Valid:
9pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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