Weather
Current conditions, a 5-day outlook, and any active severe-weather alerts.
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Denison faces high humidity and scattered storms today. Current readings show a dew point of 70F with light drizzle. Temperatures will hover near 75F.
A severe Flood Watch is active for Deniston through tomorrow morning. Heavy rain and thunderstorms are expected today and tomorrow, with significant rainfall totals possible.
A severe Flood Watch is in effect for Deniston through October 2. Highs near 93F today give way to significant rainfall and cooler temperatures tomorrow.
Grayson County’s watch window is unchanged, but Wednesday’s update highlights heavier overnight rain and localized 5–7-inch totals across the region.
The updated watch puts Grayson County in a multi-day rainfall risk window; city resources offer several ways to receive warnings.
A severe Flood Watch is active for Denison through October 1. Temperatures remain near 90F today, with a chance of showers and thunderstorms developing tomorrow.
Current conditions in Denison show a partly cloudy sky with temperatures at 82F. Today is notably cooler than yesterday, with highs near 88F and a slight chance of showers before 4pm. Tomorrow looks warmer and mostly sunny.
Current conditions in Denison show 90F under overcast skies. Today's high near 93F matches yesterday, with little rain expected this evening. Tomorrow brings similar warmth and a chance of storms.
Current conditions in Denison show a clear sky and 88°F. Today's high near 93°F matches yesterday, with scattered showers possible later. Tomorrow remains warm and mostly sunny.
Denison is enjoying a clear, 90-degree afternoon. Today's high nears 94F, 5 degrees warmer than yesterday. Expect mostly sunny skies with little rain risk tonight.
Denison is enjoying a pleasant afternoon with clear skies and temperatures near 82F. Today's high will reach 90F, similar to yesterday. Expect little to no rain through the evening, with partly sunny conditions tomorrow.
Denison is enjoying a pleasant afternoon with clear skies and temperatures near 84F. Today's high will reach 93F, similar to yesterday, with little chance of rain. Tomorrow looks nearly identical with sunny skies and a high of 93F.
Denison is enjoying a clear afternoon with temperatures near 88F. Today's high will reach 95F, similar to yesterday. Expect little to no rain, with a slightly cooler 92F high tomorrow.
Denison is enjoying clear skies and 90-degree heat this afternoon. With little rain expected, conditions remain steady compared to yesterday, and tomorrow looks similar with highs near 94.
Denison is experiencing very hot conditions with a current feels-like temperature of 95F. A slight chance of showers and thunderstorms exists today, with highs near 93F.
Denison residents face dangerous heat with a feels-like temperature of 100F this afternoon. While today remains mostly dry, showers and thunderstorms are likely to develop tonight, bringing some relief to the high temperatures.
Denison is enjoying a clear, warm afternoon with temperatures near 88F. Today's high will reach 99F, similar to yesterday. Expect mostly sunny conditions with little rain, while tomorrow brings a chance of afternoon storms.
Denison is experiencing very hot conditions with a current feels-like temperature of 97F. Today's high will reach 99F with no rain expected. Stay hydrated.
Denison is experiencing very hot conditions this afternoon. Current temperatures are 93F, feeling like 98F, with a high near 99F expected today. A slight chance of showers exists, but sunny skies dominate.
A Heat Advisory is active for Denison as air temperatures reach 97F and heat index values climb toward 102F. Residents should stay hydrated and limit midday exertion.
A Heat Advisory is active for Denison, TX, with current feels-like temperatures at 101F. Highs near 100F are expected today and tomorrow.
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