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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Mostly Cloudy

50°F

10°C

Humidity 81%
Wind Speed S 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 03 Oct 02:35 AM MDT
Extended Forecast for

Lambert MT

  • Overnight

    Overnight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 48. West wind 6 to 8 mph.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 65. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming east southeast 5 to 9 mph in the morning.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. East wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. South southeast wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West wind 5 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Northwest wind 6 to 9 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 48. West wind 6 to 8 mph.
Saturday
Sunny, with a high near 65. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 68. Calm wind becoming east southeast 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 42. East wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 81. South southeast wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 49. West wind 5 to 8 mph.
Tuesday
Sunny, with a high near 73. Northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 71. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 42. North wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 76.
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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:
12:30 am MDT Oct 3, 2026
Forecast Valid:
3am MDT Oct 3, 2026-6pm MDT Oct 9, 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