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

Hazardous Weather Conditions

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Fair

79°F

26°C

Humidity 17%
Wind Speed E 20 G 30 mph
Barometer 29.79 in (1008.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 3:53 pm CDT
Extended Forecast for

Gregory SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Breezy, with an east southeast wind around 20 mph, with gusts as high as 30 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 52. Breezy, with an east wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 70. Breezy, with a south southeast wind 10 to 15 mph becoming north 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely then
    Severe
    Thunderstorms
    and Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 39. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Severe
    Thunderstorms
    and Windy

  • Monday

    Monday: Showers, mainly after 1pm. High near 49. Breezy, with a north wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 49 °F

    Breezy.
    Slight Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers, mainly before 1am. Low around 35. Breezy, with a north northwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52. Breezy.

    High: 52 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Breezy, with an east southeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 52. Breezy, with an east wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 70. Breezy, with a south southeast wind 10 to 15 mph becoming north 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. 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. Some of the storms could be severe. Mostly cloudy, with a low around 39. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Monday
Showers, mainly after 1pm. High near 49. Breezy, with a north wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday Night
Showers, mainly before 1am. Low around 35. Breezy, with a north northwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 52. Breezy.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 66. Breezy.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 71. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gregory SD
 43.21°N 99.39°W (Elev. 2195 ft)
Last Update:
1:53 pm CDT May 16, 2026
Forecast Valid:
3pm CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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