National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave Continues; Areas of Severe Thunderstorms and Heavy Rain

Prolonged and intense heat wave continues into Friday with relief expected by this weekend. Extreme Heat Warnings and Heat Advisories remain in effect for portions of the Ohio Valley and the Southeast. Unsettled weather could produce severe weather and excessive rainfall for parts of the Central and Eastern U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Thunderstorm in Vicinity Light Rain

73°F

23°C

Humidity 81%
Wind Speed W 18 G 39 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 26 Jun 7:53 pm CDT
Extended Forecast for

Blakesburg IA

Severe T-storm Watch June 26, 08:54pm until June 26, 09:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch June 26, 08:54pm until June 26, 09:00pm

    NOW until 9:00pm Thu

    Severe T-storm Watch

  • Tonight

    Low: 69 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 84. West northwest wind around 6 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Light and variable wind.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. South wind around 6 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South southwest wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe and produce heavy rainfall. Cloudy, with a low around 69. South southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 84. West northwest wind around 6 mph.
Friday Night
Partly cloudy, with a low around 70. Light and variable wind.
Saturday
Mostly sunny, with a high near 92. South wind around 6 mph.
Saturday Night
Mostly clear, with a low around 72. South southwest wind around 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
A 30 percent chance of showers. Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blakesburg IA
 40.96°N 92.65°W
Last Update:
8:35 pm CDT Jun 26, 2025
Forecast Valid:
8pm CDT Jun 26, 2025-6pm CDT Jul 3, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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