Hourly Weather Forecast - Rio Maior, Santarem, PT

12 AM
49°F
70%
3mph
W
70% Chance Rain Showers
Humidity
93%
Feels like
48°F
Dew Point
47°F
1 AM
49°F
70%
4mph
W
70% Chance Rain Showers
Humidity
95%
Feels like
48°F
Dew Point
48°F
2 AM
50°F
70%
4mph
WNW
70% Chance Rain Showers
Humidity
97%
Feels like
49°F
Dew Point
49°F
3 AM
50°F
70%
5mph
NW
70% Chance Rain Showers
Humidity
94%
Feels like
48°F
Dew Point
48°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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