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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Light Rain

71°F

22°C

Humidity 94%
Wind Speed NW 15 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 7:52 am CDT
Extended Forecast for

West Branch IA

  • Today

    Today: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 3pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 85. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

    High: 85 °F

  • Tonight

    Tonight: Showers and thunderstorms.  Low around 68. South wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    T-storms

    Low: 68 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Slight Chance
    Showers

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 55. Northwest wind 5 to 10 mph.

    Clear

    Low: 55 °F

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    Mostly Sunny

    High: 76 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Friday

    Friday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. South wind 5 to 10 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. Low around 68. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Clear, with a low around 55. Northwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
West Branch IA
 41.66°N 91.35°W (Elev. 797 ft)
8:15 am CDT Aug 21, 2017
8am CDT Aug 21, 2017-6pm CDT Aug 27, 2017
 
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