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

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

46°F

8°C

Humidity 71%
Wind Speed Calm
Barometer 30.24 in (1024.8 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 May 9:56 pm CDT
Extended Forecast for

Forman ND

Freeze Warning May 20, 01:00am until May 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 31. Calm wind becoming south southwest 5 to 7 mph after midnight.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 65. South wind 8 to 17 mph.

    High: 65 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. South wind 11 to 16 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Breezy, with a south wind 13 to 20 mph.

    High: 69 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Southeast wind 13 to 17 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 62. East southeast wind 13 to 16 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 41. Southeast wind 8 to 13 mph.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69. Southeast wind around 9 mph becoming west in the afternoon.

    High: 69 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Southeast wind around 8 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 31. Calm wind becoming south southwest 5 to 7 mph after midnight.
Wednesday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 65. South wind 8 to 17 mph.
Wednesday Night
Partly cloudy, with a low around 39. South wind 11 to 16 mph.
Thursday
Mostly sunny, with a high near 69. Breezy, with a south wind 13 to 20 mph.
Thursday Night
Mostly cloudy, with a low around 42. Southeast wind 13 to 17 mph.
Friday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 62. East southeast wind 13 to 16 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. Southeast wind 8 to 13 mph.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69. Southeast wind around 9 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 43. Southeast wind around 8 mph.
Sunday
Mostly sunny, with a high near 80. South wind 9 to 13 mph.
Sunday Night
Partly cloudy, with a low around 49. South southeast wind around 11 mph.
Memorial Day
Sunny, with a high near 85. South wind 10 to 16 mph.
Monday Night
Partly cloudy, with a low around 53. South wind 13 to 15 mph.
Tuesday
Mostly sunny, with a high near 86. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forman ND
 46.09°N 97.63°W
Last Update:
9:36 pm CDT May 19, 2026
Forecast Valid:
10pm CDT May 19, 2026-6pm CDT May 26, 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