Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1014.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 26 Jul 11:54 pm CDT
Extended Forecast for

Parkersburg IA

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming south 5 to 8 mph in the morning.

    High: 89 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 109. West wind around 6 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming light and variable.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 89. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 69. Calm wind.
Sunday
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 73. South wind around 7 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 109. West wind around 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming light and variable.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Parkersburg IA
 42.56°N 92.79°W
10:50 pm CDT Jul 26, 2025
12am CDT Jul 27, 2025-6pm CDT Aug 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

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