Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Rain

42°F

6°C

Humidity 91%
Wind Speed NE 14 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Oct 04:56 PM MDT
Extended Forecast for

Lambert MT

  • This Afternoon

    This Afternoon: Rain.  High near 46. Northeast wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain.  Patchy fog after 7pm. Low around 30. Northeast wind 11 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%.

    Low: 30 °F

    Rain and
    Patchy Fog

  • Columbus Day

    Columbus Day: Rain, mainly before 9am.  Patchy fog between 3pm and 4pm. Patchy freezing fog between 7am and 8am. High near 43. Northeast wind 8 to 10 mph becoming north northwest in the afternoon.  Chance of precipitation is 100%.

    High: 43 °F

    Rain and
    Patchy
    Freezing Fog
    then Chance
    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Cloudy, with a low around 29. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 29 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Calm wind becoming west around 6 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Light and variable wind becoming southwest around 6 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Breezy, with a northwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 57 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

This Afternoon
Rain. High near 46. Northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Tonight
Rain. Patchy fog after 7pm. Low around 30. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Columbus Day
Rain, mainly before 9am. Patchy fog between 3pm and 4pm. Patchy freezing fog between 7am and 8am. High near 43. Northeast wind 8 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 100%.
Monday Night
Cloudy, with a low around 29. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 52. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 29. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 34. Light and variable wind becoming southwest around 6 mph after midnight.
Thursday
Sunny, with a high near 57. Breezy, with a northwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 31 mph.
Friday
Sunny, with a high near 57. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert MT
 47.67°N 104.62°W (Elev. 2395 ft)
3:51 pm MDT Oct 11, 2026
5pm MDT Oct 11, 2026-6pm MDT Oct 18, 2026
 
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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