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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Overcast

47°F

8°C

Humidity 97%
Wind Speed E 9 mph
Barometer 30.20 in (1023.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 15 Oct 12:56 pm CDT
Extended Forecast for

10 Miles SE Napoleon ND

  • This Afternoon

    This Afternoon: Cloudy, with a steady temperature around 48. East wind around 11 mph, with gusts as high as 22 mph.

    High: 48 °F

    Cloudy

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Areas of fog after 1am. Low around 46. East wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    T-storms then
    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers likely before 11am, then a chance of showers after noon. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Southeast wind 14 to 18 mph becoming south in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely and
    Areas Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 43. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 58. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 58 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. West wind around 16 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Windy, with a west wind 17 to 26 mph, with gusts as high as 39 mph.

    High: 52 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a steady temperature around 48. East wind around 11 mph, with gusts as high as 22 mph.
Tonight
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Areas of fog after 1am. Low around 46. East wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely before 11am, then a chance of showers after noon. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Southeast wind 14 to 18 mph becoming south in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 43. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 58. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 38. West wind around 16 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 52. Windy, with a west wind 17 to 26 mph, with gusts as high as 39 mph.
Saturday Night
Mostly clear, with a low around 32. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 58. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 39. South wind 11 to 14 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 57. Breezy, with a west wind 14 to 21 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 36. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 51. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 33 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Napoleon ND
 46.4°N 99.63°W
Last Update:
1:36 pm CDT Oct 15, 2025
Forecast Valid:
1pm CDT Oct 15, 2025-6pm CDT Oct 21, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation