Stillwater Weather

Stillwater Weather Forecast  -   Outlook Today & Tonight

Today Slight Chance Rain Showers Hi 103 °F NWS forecast: A slight chance of rain showers before 4pm. Sunny, with a high near 103. Heat index values as high as 108. Southeast wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. Tonight Slight Chance Showers And T-Storms Lo 74 °F NWS forecast: A slight chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 74. Heat index values as high as 105. East southeast wind 3 to 8 mph. Chance of precipitation is 20%.

Short Term Weather Forecast For Stillwater

Saturday Mostly Sunny Hi 100 °F Saturday Night Mostly Clear Lo 73 °F Sunday Mostly Sunny Hi 97 °F Sunday Night Partly Cloudy Lo 75 °F Monday Mostly Sunny Hi 106 °F Monday Night Mostly Clear Lo 76 °F

NWS forecast for Stillwater, OK updated Fri, 08-21-2026 8:42am CDT. Forecast script from Saratoga-Weather.org

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MEANINGS OF NOAA WEATHER INFO RELEASES:

A statement generally provides additional or follow up information to an existing weather condition.

An advisory is for less serious conditions that cause significant inconvenience and, if caution is not exercised, could lead to situations that may threaten life and/or property.

A watch is used when the risk of a hazardous weather event has increased significantly, but its occurrence, locations, and/or timing is still uncertain. It is intended to provide advance notice of possible inclement weather.

A warning is used for conditions posing an immediate threat to life or property. Depending on the type of warning, you should take immediate, appropriate action.

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