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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Canby Airfield (KCNB)

Lat: 44.73°NLon: 96.27°WElev: 1194ft.

Overcast

64°F

18°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.12 in
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Last update 3 Aug 2:55 am CDT
Extended Forecast for

Astoria SD

  • Overnight

    Overnight: A chance of showers and thunderstorms. Areas of smoke. Mostly cloudy, with a steady temperature around 64. South wind around 8 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 9am. Patchy smoke before 9am. Cloudy, with a high near 71. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 11 to 14 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. South southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 67. South wind around 10 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Areas of smoke. Mostly cloudy, with a steady temperature around 64. South wind around 8 mph. Chance of precipitation is 40%.
Sunday
Showers and thunderstorms likely, mainly before 9am. Patchy smoke before 9am. Cloudy, with a high near 71. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 11 to 14 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78. South wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. South southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 67. South wind around 10 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 87.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Astoria SD
 44.55°N 96.53°W (Elev. 1814 ft)
Last Update:
2:46 am CDT Aug 3, 2025
Forecast Valid:
3am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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