Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

For More Weather Information:

Buffalo, NY Local Forecast Office

14NM NNE Olcott NY

Marine Point Forecast

[NOTICE]

Today
High: 74 °F
Water: 68 °F
Light Wind
< 1ft
Tonight
Low: 69 °F
⇑SSW 6kt
< 1ft
Saturday
High: 73 °F
⇑ENE 6kt
< 1ft
Saturday Night
Low: 68 °F
ENE 8kt
< 1ft
Sunday
High: 71 °F
ESE 8kt
< 1ft
Sunday Night
Low: 66 °F
NW 9kt
< 1ft
Monday
High: 71 °F
NNW 10kt
< 1ft
Monday Night
Low: 66 °F
NW 7kt
< 1ft
Tuesday
High: 72 °F
ENE 9kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:57 am EDT Jul 31, 2026
Forecast Valid: 10am EDT Jul 31, 2026-6pm EDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tonight

Variable winds less than 5 kt becoming SSW around 6 kt in the evening. Increasing clouds. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. A slight chance of showers and thunderstorms before 7am. Waves 1 ft or less.

Saturday Night

ENE wind around 8 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Waves 1 ft or less.

Sunday

ESE wind around 8 kt becoming ENE in the afternoon. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday Night

SSW wind 7 to 9 kt becoming NNW after midnight. Showers likely and possibly a thunderstorm before 2am. Waves 1 ft or less.

Monday

NNW wind 7 to 10 kt becoming W in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

NW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

ENE wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.