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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

42°F

6°C

Humidity 71%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 21 May 07:04 AM PDT
Extended Forecast for

9 Miles ESE Chalfant CA

  • Today

    Today: A chance of rain and snow showers after 5pm. Increasing clouds, with a high near 51. North wind around 10 mph becoming west in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 51 °F

    Sunny then
    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 8pm. Mostly cloudy, with a low around 37. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph becoming south in the morning.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind around 10 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 53. Breezy, with a west wind 10 to 20 mph becoming south in the morning. Winds could gust as high as 30 mph.

    High: 53 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
A chance of rain and snow showers after 5pm. Increasing clouds, with a high near 51. North wind around 10 mph becoming west in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 8pm. Mostly cloudy, with a low around 37. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph becoming south in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind around 10 mph.
Saturday
Sunny, with a high near 53. Breezy, with a west wind 10 to 20 mph becoming south in the morning. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 39. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 38.
Memorial Day
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 35. Breezy.
Tuesday
Sunny, with a high near 48. Windy.
Tuesday Night
Mostly clear, with a low around 26. Breezy.
Wednesday
A slight chance of snow showers. Sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.5°N 118.19°W (Elev. 10932 ft)
Last Update:
4:30 am PDT May 21, 2026
Forecast Valid:
7am PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation