Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles SE Blakesburg IA

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 65. East wind around 5 mph becoming light and variable  after midnight.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm.  Mostly sunny, with a high near 87. South southeast wind 3 to 7 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. South wind around 7 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 90. South wind 6 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Low around 66. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 66 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. East wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly sunny, with a high near 87. South southeast wind 3 to 7 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South wind around 7 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 90. South wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 63.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Blakesburg IA
 40.9°N 92.56°W
6:36 am CDT Jun 15, 2025
7am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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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