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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Sidney-Richland (KSDY)

Lat: 47.7°NLon: 104.2°WElev: 1985.0ft.

Overcast

39°F

4°C

Humidity 64%
Wind Speed SE 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 15 Nov 03:35 PM MST
Extended Forecast for

Lambert MT

  • This Afternoon

    This Afternoon: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 41. South southeast wind around 7 mph. Chance of precipitation is 60%.

    High: 41 °F

    Rain Likely

  • Tonight

    Tonight: Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 25. Southeast wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 47. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 47 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. East wind 11 to 13 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain, mainly after 11am. Cloudy, with a high near 45. East wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 29. East southeast wind 7 to 10 mph.

    Low: 29 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 45. East southeast wind 6 to 9 mph becoming southwest in the afternoon.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 29. Southeast wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly cloudy, with a high near 44. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 44 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 41. South southeast wind around 7 mph. Chance of precipitation is 60%.
Tonight
Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 25. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 47. Calm wind becoming east 5 to 9 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 32. East wind 11 to 13 mph.
Monday
A 30 percent chance of rain, mainly after 11am. Cloudy, with a high near 45. East wind 14 to 16 mph, with gusts as high as 23 mph.
Monday Night
A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 29. East southeast wind 7 to 10 mph.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 45. East southeast wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 44. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 24. Northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 41. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lambert MT
 47.69°N 104.62°W (Elev. 2451 ft)
Last Update:
2:18 pm MST Nov 15, 2025
Forecast Valid:
3pm MST Nov 15, 2025-6pm MST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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