Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into the Mid-Atlantic; Elevated to Critical Fire Concerns Out West

Heavy rainfall will continue through midweek from the lower Mississippi Valley to the Mid-Atlantic. Elevated to critical fire weather threat continues across the Central Great Basin and the Central Rockies; and there is an elevated fire risk from southwestern Oregon to northern California. Record river flooding will continue in portions of the Midwest and the Carolinas. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

52°F

11°C

Humidity 86%
Wind Speed E 6 mph
Barometer 30.01 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 24 Sep 5:55 am CDT
Extended Forecast for

Sully IA

  • Today

    Today: Increasing clouds, with a high near 79. South southeast wind 5 to 10 mph.

    Increasing
    Clouds

    High: 79 °F

  • Tonight

    Tonight: A 10 percent chance of showers after 5am.  Mostly cloudy, with a low around 61. South southeast wind around 6 mph.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 61 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 72. South southwest wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 46. North northwest wind 7 to 10 mph.

    Partly Cloudy

    Low: 46 °F

  • Wednesday

    Wednesday: Sunny, with a high near 65. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Sunny

    High: 65 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 44.

    Mostly Clear

    Low: 44 °F

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 68.

    Mostly Sunny
    then Slight
    Chance
    Showers

    High: 68 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 42.

    Partly Cloudy

    Low: 42 °F

  • Friday

    Friday: A 30 percent chance of showers after 1pm.  Mostly sunny, with a high near 63.

    Mostly Sunny
    then Chance
    Showers

    High: 63 °F

Detailed Forecast

Today
Increasing clouds, with a high near 79. South southeast wind 5 to 10 mph.
Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 61. South southeast wind around 6 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. South southwest wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 46. North northwest wind 7 to 10 mph.
Wednesday
Sunny, with a high near 65. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 63.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Click Map For Forecast
Point Forecast:
Sully IA
 41.58°N 92.84°W
3:33 am CDT Sep 24, 2018
6am CDT Sep 24, 2018-6pm CDT Sep 30, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database