Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed E 9 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 6 Sep 4:55 pm CDT
Extended Forecast for

2 Miles NNE Ankeny IA

Severe T-storm Watch until September 6, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until September 6, 10:00pm

    NOW until 10:00pm Sun

    Severe T-storm Watch

  • This Afternoon

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 66. East wind 6 to 8 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers

  • Labor Day

    Labor Day: A 30 percent chance of showers, mainly before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 84. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 92. South southeast wind around 9 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 69. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm.  Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. East southeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 66. East wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Labor Day
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 68. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. South southeast wind around 9 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
A chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Ankeny IA
 41.74°N 93.6°W
4:51 pm CDT Sep 6, 2026
5pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026
 
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Additional Resources

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