Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

N/A

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

Denver IA

  • Tonight

    Tonight: Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 4am, then a chance of showers after 5am.  Increasing clouds, with a low around 65. Light south southeast wind becoming south 5 to 10 mph in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 80. Breezy, with a south wind 11 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 70. Breezy, with a south southeast wind 15 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 89. Breezy.

    High: 89 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A slight chance of showers before 4am, then a chance of showers after 5am. Increasing clouds, with a low around 65. Light south southeast wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. Breezy, with a south southeast wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Breezy.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Denver IA
 42.66°N 92.34°W
2:01 pm CDT Aug 27, 2026
5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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