Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

69°F

21°C

Humidity 96%
Wind Speed E 7 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 6 Sep 12:54 am CDT
Extended Forecast for

5 Miles NE Waterloo Municipal Airport IA

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 65. East wind around 7 mph.

    Low: 65 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 81. East southeast wind 7 to 10 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62. East southeast wind around 10 mph.

    Low: 62 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 81. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 22 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Breezy, with a southeast wind around 16 mph, with gusts as high as 22 mph.

    Low: 65 °F

    Partly Cloudy
    and Breezy

  • Tuesday

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

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    Showers

  • Wednesday Night

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

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 65. East wind around 7 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. East southeast wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 62. East southeast wind around 10 mph.
Labor Day
Mostly sunny, with a high near 81. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 65. Breezy, with a southeast wind around 16 mph, with gusts as high as 22 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Waterloo Municipal Airport IA
 42.59°N 92.35°W
10:32 pm CDT Sep 5, 2026
1am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
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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