National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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LYTLE CREEK - COLTON (YTLC1)
Latitude: 34.08º NLongitude: 117.30º WElevation: 975 Feet
Location: San Bernardino County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Issuance Time: Feb 06 2025 at 2:42 PM PSTNext Issuance: Feb 07 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ048)
Tonight: Cloudy. A chance of rain this evening, then rain overnight. Patchy fog overnight. Lows 44 to 53. Areas of winds south 10 to 15 mph with gusts to 25 mph.

Friday: Rain. Patchy fog. Highs 61 to 65. Areas of winds south 10 mph.

Friday Night: Mostly cloudy. A slight chance of rain in the evening. Patchy fog overnight. Colder. Lows 37 to 45. Areas of winds west to 10 mph in the evening becoming light. Chance of measurable precipitation 20 percent.

Saturday: Partly cloudy. Highs 65 to 68. Light winds becoming west 10 mph in the afternoon.

Saturday Night: Partly cloudy. Lows 42 to 48. Areas of winds west to 10 mph becoming north overnight.

Sunday: Partly cloudy in the morning and becoming mostly sunny. Highs 67 to 71.

Sunday Night: Mostly clear in the evening and becoming partly cloudy. Lows 36 to 43.

Monday: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 59 to 64.

Monday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 33 to 42.

Tuesday: Patchy fog in the morning. Partly cloudy. Highs 58 to 62.

Tuesday Night: Partly cloudy. A slight chance of rain overnight. Patchy fog overnight. Lows 32 to 41.

Wednesday: Patchy fog in the morning. Partly cloudy with a slight chance of rain. Highs 57 to 62.

Wednesday Night: Mostly cloudy in the evening and becoming partly cloudy. A chance of rain. Lows 35 to 43.

Thursday: Partly cloudy in the morning and becoming mostly cloudy. Patchy fog in the morning. A chance of rain. Highs 57 to 61.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Diego Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.