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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Overcast

61°F

16°C

Humidity 75%
Wind Speed N 18 mph
Barometer 29.43 in (996.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Jun 11:56 am CDT
Extended Forecast for

Jamestown Municipal Airport ND

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a steady temperature around 64. North wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and midnight. Mostly cloudy, with a low around 46. Northwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 48. Southwest wind 5 to 8 mph.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Northwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Light and variable wind becoming east 5 to 9 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers. Partly cloudy, with a low around 50. East wind around 11 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Mostly sunny, with a high near 71. East wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 71 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a steady temperature around 64. North wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and midnight. Mostly cloudy, with a low around 46. Northwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 48. Southwest wind 5 to 8 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 47. Northwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 73. Light and variable wind becoming east 5 to 9 mph in the morning.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 50. East wind around 11 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 71. East wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 50. East wind 6 to 10 mph becoming southwest after midnight.
Monday
Partly sunny, with a high near 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Partly cloudy, with a low around 51. West wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 74. West wind 9 to 13 mph, with gusts as high as 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown Municipal Airport ND
 46.94°N 98.7°W
Last Update:
11:26 am CDT Jun 17, 2026
Forecast Valid:
12pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation