Stillwater Weather

Stillwater Weather Forecast  -   Outlook Overnight & Thursday

Overnight Slight Chance Showers And T-Storms Lo 73 °F NWS forecast: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. Thursday Slight Chance Showers And T-Storms then Mostly Sunny Hi 101 °F NWS forecast: A slight chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 101. Heat index values as high as 105. East northeast wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Short Term Weather Forecast For Stillwater

Thursday Night Mostly Clear then Slight Chance Showers And T-Storms Lo 74 °F Friday Slight Chance Showers And T-Storms then Sunny Hi 104 °F Friday Night Mostly Clear then Slight Chance Showers And T-Storms Lo 74 °F Saturday Slight Chance Showers And T-Storms then Mostly Sunny Hi 101 °F Saturday Night Mostly Clear Lo 73 °F Sunday Mostly Sunny Hi 99 °F

NWS forecast for Stillwater, OK updated Thu, 08-20-2026 1:26am CDT. Forecast script from Saratoga-Weather.org

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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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