Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Fair

48°F

9°C

Humidity 87%
Wind Speed N 5 mph
Barometer 30.28 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 May 12:55 am CDT
Extended Forecast for

Altoona IA

  • Overnight

    Overnight: Partly cloudy, with a low around 43. North wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Northeast wind 6 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. East northeast wind 5 to 8 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm.  Mostly cloudy, with a high near 61. East wind 9 to 11 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am.  Cloudy, with a low around 48. East wind around 11 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 62. Northeast wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 46. East northeast wind 5 to 8 mph.
Thursday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. East wind 9 to 11 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 48. East wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 56.
Memorial Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona IA
 41.65°N 93.48°W
10:11 pm CDT May 19, 2026
1am CDT May 20, 2026-6pm CDT May 26, 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